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Finding the Fourth Proportional to 191,810.92, 287,706.16 and 58,691.27

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Solution

The fourth proportional to 191,810.92, 287,706.16 and 58,691.27 is: 88,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,810.92 : 287,706.16 = 58,691.27 : x
  2. Step 2: Convert to fraction form
    191,810.92/287,706.16 = 58,691.27/x
  3. Step 3: Cross multiply
    191,810.92x = 287,706.16 × 58,691.27
  4. Step 4: Simplify right side
    191,810.92x = 16,885,839,917.22
  5. Step 5: Solve for x
    x = 16,885,839,917.22/191,810.92
  6. Step 6: Final answer
    x = 88,033.78

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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.