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Finding the Fourth Proportional to 65,143,952.80, 97,712,818.80 and 22,008,925.60

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Solution

The fourth proportional to 65,143,952.80, 97,712,818.80 and 22,008,925.60 is: 33,012,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143,952.80 : 97,712,818.80 = 22,008,925.60 : x
  2. Step 2: Convert to fraction form
    65,143,952.80/97,712,818.80 = 22,008,925.60/x
  3. Step 3: Cross multiply
    65,143,952.80x = 97,712,818.80 × 22,008,925.60
  4. Step 4: Simplify right side
    65,143,952.80x = 2,150,554,159,135,481.25
  5. Step 5: Solve for x
    x = 2,150,554,159,135,481.25/65,143,952.80
  6. Step 6: Final answer
    x = 33,012,337.55

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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.