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Finding the Fourth Proportional to 134,157.38, 185,128.24 and 73,726.72

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Solution

The fourth proportional to 134,157.38, 185,128.24 and 73,726.72 is: 101,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,157.38 : 185,128.24 = 73,726.72 : x
  2. Step 2: Convert to fraction form
    134,157.38/185,128.24 = 73,726.72/x
  3. Step 3: Cross multiply
    134,157.38x = 185,128.24 × 73,726.72
  4. Step 4: Simplify right side
    134,157.38x = 13,648,897,914.57
  5. Step 5: Solve for x
    x = 13,648,897,914.57/134,157.38
  6. Step 6: Final answer
    x = 101,737.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.