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Finding the Fourth Proportional to 73,356,695.60, 109,773,769.80 and 63,876,196.40

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Solution

The fourth proportional to 73,356,695.60, 109,773,769.80 and 63,876,196.40 is: 95,586,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,356,695.60 : 109,773,769.80 = 63,876,196.40 : x
  2. Step 2: Convert to fraction form
    73,356,695.60/109,773,769.80 = 63,876,196.40/x
  3. Step 3: Cross multiply
    73,356,695.60x = 109,773,769.80 × 63,876,196.40
  4. Step 4: Simplify right side
    73,356,695.60x = 7,011,930,879,313,188
  5. Step 5: Solve for x
    x = 7,011,930,879,313,188/73,356,695.60
  6. Step 6: Final answer
    x = 95,586,787.57

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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.