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Finding the Fourth Proportional to 224,747.92, 310,161.56 and 129,254.69

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Solution

The fourth proportional to 224,747.92, 310,161.56 and 129,254.69 is: 178,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,747.92 : 310,161.56 = 129,254.69 : x
  2. Step 2: Convert to fraction form
    224,747.92/310,161.56 = 129,254.69/x
  3. Step 3: Cross multiply
    224,747.92x = 310,161.56 × 129,254.69
  4. Step 4: Simplify right side
    224,747.92x = 40,089,836,287.72
  5. Step 5: Solve for x
    x = 40,089,836,287.72/224,747.92
  6. Step 6: Final answer
    x = 178,376.90

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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.