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Finding the Fourth Proportional to 88,577,663.10, 132,866,494.65 and 65,619,411.90

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Solution

The fourth proportional to 88,577,663.10, 132,866,494.65 and 65,619,411.90 is: 98,429,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,577,663.10 : 132,866,494.65 = 65,619,411.90 : x
  2. Step 2: Convert to fraction form
    88,577,663.10/132,866,494.65 = 65,619,411.90/x
  3. Step 3: Cross multiply
    88,577,663.10x = 132,866,494.65 × 65,619,411.90
  4. Step 4: Simplify right side
    88,577,663.10x = 8,718,621,240,147,497
  5. Step 5: Solve for x
    x = 8,718,621,240,147,497/88,577,663.10
  6. Step 6: Final answer
    x = 98,429,117.85

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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.