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Finding the Fourth Proportional to 71,884,740.60, 107,827,110.90 and 59,130,156.60

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Solution

The fourth proportional to 71,884,740.60, 107,827,110.90 and 59,130,156.60 is: 88,695,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,884,740.60 : 107,827,110.90 = 59,130,156.60 : x
  2. Step 2: Convert to fraction form
    71,884,740.60/107,827,110.90 = 59,130,156.60/x
  3. Step 3: Cross multiply
    71,884,740.60x = 107,827,110.90 × 59,130,156.60
  4. Step 4: Simplify right side
    71,884,740.60x = 6,375,833,953,242,567
  5. Step 5: Solve for x
    x = 6,375,833,953,242,567/71,884,740.60
  6. Step 6: Final answer
    x = 88,695,234.90

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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.