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Finding the Fourth Proportional to 107,889.91, 148,951.90 and 95,920.16

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Solution

The fourth proportional to 107,889.91, 148,951.90 and 95,920.16 is: 132,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,889.91 : 148,951.90 = 95,920.16 : x
  2. Step 2: Convert to fraction form
    107,889.91/148,951.90 = 95,920.16/x
  3. Step 3: Cross multiply
    107,889.91x = 148,951.90 × 95,920.16
  4. Step 4: Simplify right side
    107,889.91x = 14,287,490,080.30
  5. Step 5: Solve for x
    x = 14,287,490,080.30/107,889.91
  6. Step 6: Final answer
    x = 132,426.56

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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.