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Finding the Fourth Proportional to 158,706.11, 237,743.85 and 87,452.01

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Solution

The fourth proportional to 158,706.11, 237,743.85 and 87,452.01 is: 131,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,706.11 : 237,743.85 = 87,452.01 : x
  2. Step 2: Convert to fraction form
    158,706.11/237,743.85 = 87,452.01/x
  3. Step 3: Cross multiply
    158,706.11x = 237,743.85 × 87,452.01
  4. Step 4: Simplify right side
    158,706.11x = 20,791,177,110.38
  5. Step 5: Solve for x
    x = 20,791,177,110.38/158,706.11
  6. Step 6: Final answer
    x = 131,004.27

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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.