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Finding the Fourth Proportional to 129,932.70, 182,255.70 and 129,932.70

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Solution

The fourth proportional to 129,932.70, 182,255.70 and 129,932.70 is: 182,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,932.70 : 182,255.70 = 129,932.70 : x
  2. Step 2: Convert to fraction form
    129,932.70/182,255.70 = 129,932.70/x
  3. Step 3: Cross multiply
    129,932.70x = 182,255.70 × 129,932.70
  4. Step 4: Simplify right side
    129,932.70x = 23,680,975,191.39
  5. Step 5: Solve for x
    x = 23,680,975,191.39/129,932.70
  6. Step 6: Final answer
    x = 182,255.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.