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Finding the Fourth Proportional to 59,219,772.80, 88,829,659.20 and 49,866,411.20

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Solution

The fourth proportional to 59,219,772.80, 88,829,659.20 and 49,866,411.20 is: 74,799,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,219,772.80 : 88,829,659.20 = 49,866,411.20 : x
  2. Step 2: Convert to fraction form
    59,219,772.80/88,829,659.20 = 49,866,411.20/x
  3. Step 3: Cross multiply
    59,219,772.80x = 88,829,659.20 × 49,866,411.20
  4. Step 4: Simplify right side
    59,219,772.80x = 4,429,616,312,423,063.50
  5. Step 5: Solve for x
    x = 4,429,616,312,423,063.50/59,219,772.80
  6. Step 6: Final answer
    x = 74,799,616.80

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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.