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Finding the Fourth Proportional to 191,880.97, 287,822.13 and 58,760.64

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Solution

The fourth proportional to 191,880.97, 287,822.13 and 58,760.64 is: 88,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,880.97 : 287,822.13 = 58,760.64 : x
  2. Step 2: Convert to fraction form
    191,880.97/287,822.13 = 58,760.64/x
  3. Step 3: Cross multiply
    191,880.97x = 287,822.13 × 58,760.64
  4. Step 4: Simplify right side
    191,880.97x = 16,912,612,344.61
  5. Step 5: Solve for x
    x = 16,912,612,344.61/191,880.97
  6. Step 6: Final answer
    x = 88,141.17

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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.