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Finding the Fourth Proportional to 89,068,902.80, 133,584,691.80 and 43,663,283.60

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Solution

The fourth proportional to 89,068,902.80, 133,584,691.80 and 43,663,283.60 is: 65,485,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068,902.80 : 133,584,691.80 = 43,663,283.60 : x
  2. Step 2: Convert to fraction form
    89,068,902.80/133,584,691.80 = 43,663,283.60/x
  3. Step 3: Cross multiply
    89,068,902.80x = 133,584,691.80 × 43,663,283.60
  4. Step 4: Simplify right side
    89,068,902.80x = 5,832,746,282,681,995
  5. Step 5: Solve for x
    x = 5,832,746,282,681,995/89,068,902.80
  6. Step 6: Final answer
    x = 65,485,776.73

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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.