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Finding the Fourth Proportional to 235,134.50, 324,483.17 and 127,704.20

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Solution

The fourth proportional to 235,134.50, 324,483.17 and 127,704.20 is: 176,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,134.50 : 324,483.17 = 127,704.20 : x
  2. Step 2: Convert to fraction form
    235,134.50/324,483.17 = 127,704.20/x
  3. Step 3: Cross multiply
    235,134.50x = 324,483.17 × 127,704.20
  4. Step 4: Simplify right side
    235,134.50x = 41,437,861,377.38
  5. Step 5: Solve for x
    x = 41,437,861,377.38/235,134.50
  6. Step 6: Final answer
    x = 176,230.46

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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.