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Finding the Fourth Proportional to 167,706.38, 251,585.08 and 55,398.47

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Solution

The fourth proportional to 167,706.38, 251,585.08 and 55,398.47 is: 83,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,706.38 : 251,585.08 = 55,398.47 : x
  2. Step 2: Convert to fraction form
    167,706.38/251,585.08 = 55,398.47/x
  3. Step 3: Cross multiply
    167,706.38x = 251,585.08 × 55,398.47
  4. Step 4: Simplify right side
    167,706.38x = 13,937,427,110.41
  5. Step 5: Solve for x
    x = 13,937,427,110.41/167,706.38
  6. Step 6: Final answer
    x = 83,106.12

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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.