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Finding the Fourth Proportional to 122,687,411.20, 183,874,819.20 and 65,207,219.20

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Solution

The fourth proportional to 122,687,411.20, 183,874,819.20 and 65,207,219.20 is: 97,727,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,687,411.20 : 183,874,819.20 = 65,207,219.20 : x
  2. Step 2: Convert to fraction form
    122,687,411.20/183,874,819.20 = 65,207,219.20/x
  3. Step 3: Cross multiply
    122,687,411.20x = 183,874,819.20 × 65,207,219.20
  4. Step 4: Simplify right side
    122,687,411.20x = 11,989,965,640,934,768
  5. Step 5: Solve for x
    x = 11,989,965,640,934,768/122,687,411.20
  6. Step 6: Final answer
    x = 97,727,758.08

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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.