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Finding the Fourth Proportional to 188,052.17, 282,175.25 and 124,915.91

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Solution

The fourth proportional to 188,052.17, 282,175.25 and 124,915.91 is: 187,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,052.17 : 282,175.25 = 124,915.91 : x
  2. Step 2: Convert to fraction form
    188,052.17/282,175.25 = 124,915.91/x
  3. Step 3: Cross multiply
    188,052.17x = 282,175.25 × 124,915.91
  4. Step 4: Simplify right side
    188,052.17x = 35,248,176,097.77
  5. Step 5: Solve for x
    x = 35,248,176,097.77/188,052.17
  6. Step 6: Final answer
    x = 187,438.29

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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.