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Finding the Fourth Proportional to 107,425.78, 161,156.08 and 36,352.80

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Solution

The fourth proportional to 107,425.78, 161,156.08 and 36,352.80 is: 54,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,425.78 : 161,156.08 = 36,352.80 : x
  2. Step 2: Convert to fraction form
    107,425.78/161,156.08 = 36,352.80/x
  3. Step 3: Cross multiply
    107,425.78x = 161,156.08 × 36,352.80
  4. Step 4: Simplify right side
    107,425.78x = 5,858,474,790.47
  5. Step 5: Solve for x
    x = 5,858,474,790.47/107,425.78
  6. Step 6: Final answer
    x = 54,535.09

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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.