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Finding the Fourth Proportional to 187,528.84, 258,787.13 and 106,957.71

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Solution

The fourth proportional to 187,528.84, 258,787.13 and 106,957.71 is: 147,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,528.84 : 258,787.13 = 106,957.71 : x
  2. Step 2: Convert to fraction form
    187,528.84/258,787.13 = 106,957.71/x
  3. Step 3: Cross multiply
    187,528.84x = 258,787.13 × 106,957.71
  4. Step 4: Simplify right side
    187,528.84x = 27,679,277,508.34
  5. Step 5: Solve for x
    x = 27,679,277,508.34/187,528.84
  6. Step 6: Final answer
    x = 147,600.11

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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.