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Finding the Fourth Proportional to 73,719,901.44, 101,753,696.88 and 42,790,035.24

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Solution

The fourth proportional to 73,719,901.44, 101,753,696.88 and 42,790,035.24 is: 59,061,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719,901.44 : 101,753,696.88 = 42,790,035.24 : x
  2. Step 2: Convert to fraction form
    73,719,901.44/101,753,696.88 = 42,790,035.24/x
  3. Step 3: Cross multiply
    73,719,901.44x = 101,753,696.88 × 42,790,035.24
  4. Step 4: Simplify right side
    73,719,901.44x = 4,354,044,275,295,478
  5. Step 5: Solve for x
    x = 4,354,044,275,295,478/73,719,901.44
  6. Step 6: Final answer
    x = 59,061,992.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.