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Finding the Fourth Proportional to 107,246.88, 160,872.21 and 37,128.42

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Solution

The fourth proportional to 107,246.88, 160,872.21 and 37,128.42 is: 55,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,246.88 : 160,872.21 = 37,128.42 : x
  2. Step 2: Convert to fraction form
    107,246.88/160,872.21 = 37,128.42/x
  3. Step 3: Cross multiply
    107,246.88x = 160,872.21 × 37,128.42
  4. Step 4: Simplify right side
    107,246.88x = 5,972,930,979.21
  5. Step 5: Solve for x
    x = 5,972,930,979.21/107,246.88
  6. Step 6: Final answer
    x = 55,693.28

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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.