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Finding the Fourth Proportional to 132,838.46, 199,260.42 and 53,898.70

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Solution

The fourth proportional to 132,838.46, 199,260.42 and 53,898.70 is: 80,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,838.46 : 199,260.42 = 53,898.70 : x
  2. Step 2: Convert to fraction form
    132,838.46/199,260.42 = 53,898.70/x
  3. Step 3: Cross multiply
    132,838.46x = 199,260.42 × 53,898.70
  4. Step 4: Simplify right side
    132,838.46x = 10,739,876,805.27
  5. Step 5: Solve for x
    x = 10,739,876,805.27/132,838.46
  6. Step 6: Final answer
    x = 80,849.15

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1.5x scale

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.