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Finding the Fourth Proportional to 107,295.40, 160,964.70 and 37,160.20

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Solution

The fourth proportional to 107,295.40, 160,964.70 and 37,160.20 is: 55,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,295.40 : 160,964.70 = 37,160.20 : x
  2. Step 2: Convert to fraction form
    107,295.40/160,964.70 = 37,160.20/x
  3. Step 3: Cross multiply
    107,295.40x = 160,964.70 × 37,160.20
  4. Step 4: Simplify right side
    107,295.40x = 5,981,480,444.94
  5. Step 5: Solve for x
    x = 5,981,480,444.94/107,295.40
  6. Step 6: Final answer
    x = 55,747.78

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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.