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Finding the Fourth Proportional to 63,700,978.80, 95,551,468.20 and 34,935,999.60

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Solution

The fourth proportional to 63,700,978.80, 95,551,468.20 and 34,935,999.60 is: 52,403,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700,978.80 : 95,551,468.20 = 34,935,999.60 : x
  2. Step 2: Convert to fraction form
    63,700,978.80/95,551,468.20 = 34,935,999.60/x
  3. Step 3: Cross multiply
    63,700,978.80x = 95,551,468.20 × 34,935,999.60
  4. Step 4: Simplify right side
    63,700,978.80x = 3,338,186,054,814,613
  5. Step 5: Solve for x
    x = 3,338,186,054,814,613/63,700,978.80
  6. Step 6: Final answer
    x = 52,403,999.40

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.