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Finding the Fourth Proportional to 167,862.56, 252,712.76 and 153,165.92

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Solution

The fourth proportional to 167,862.56, 252,712.76 and 153,165.92 is: 230,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,862.56 : 252,712.76 = 153,165.92 : x
  2. Step 2: Convert to fraction form
    167,862.56/252,712.76 = 153,165.92/x
  3. Step 3: Cross multiply
    167,862.56x = 252,712.76 × 153,165.92
  4. Step 4: Simplify right side
    167,862.56x = 38,706,982,381.14
  5. Step 5: Solve for x
    x = 38,706,982,381.14/167,862.56
  6. Step 6: Final answer
    x = 230,587.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.