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Finding the Fourth Proportional to 237,138.89, 327,244.86 and 129,706.56

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Solution

The fourth proportional to 237,138.89, 327,244.86 and 129,706.56 is: 178,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,138.89 : 327,244.86 = 129,706.56 : x
  2. Step 2: Convert to fraction form
    237,138.89/327,244.86 = 129,706.56/x
  3. Step 3: Cross multiply
    237,138.89x = 327,244.86 × 129,706.56
  4. Step 4: Simplify right side
    237,138.89x = 42,445,805,068.28
  5. Step 5: Solve for x
    x = 42,445,805,068.28/237,138.89
  6. Step 6: Final answer
    x = 178,991.33

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1.5x scale

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.