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Finding the Fourth Proportional to 371,772.46, 557,345.19 and 161,251.84

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Solution

The fourth proportional to 371,772.46, 557,345.19 and 161,251.84 is: 241,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,772.46 : 557,345.19 = 161,251.84 : x
  2. Step 2: Convert to fraction form
    371,772.46/557,345.19 = 161,251.84/x
  3. Step 3: Cross multiply
    371,772.46x = 557,345.19 × 161,251.84
  4. Step 4: Simplify right side
    371,772.46x = 89,872,937,402.65
  5. Step 5: Solve for x
    x = 89,872,937,402.65/371,772.46
  6. Step 6: Final answer
    x = 241,741.78

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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.