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Finding the Fourth Proportional to 234,258.57, 351,033.08 and 155,089.17

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Solution

The fourth proportional to 234,258.57, 351,033.08 and 155,089.17 is: 232,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,258.57 : 351,033.08 = 155,089.17 : x
  2. Step 2: Convert to fraction form
    234,258.57/351,033.08 = 155,089.17/x
  3. Step 3: Cross multiply
    234,258.57x = 351,033.08 × 155,089.17
  4. Step 4: Simplify right side
    234,258.57x = 54,441,428,244.30
  5. Step 5: Solve for x
    x = 54,441,428,244.30/234,258.57
  6. Step 6: Final answer
    x = 232,398.88

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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.