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Finding the Fourth Proportional to 189,167.67, 261,158.31 and 125,592.39

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Solution

The fourth proportional to 189,167.67, 261,158.31 and 125,592.39 is: 173,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167.67 : 261,158.31 = 125,592.39 : x
  2. Step 2: Convert to fraction form
    189,167.67/261,158.31 = 125,592.39/x
  3. Step 3: Cross multiply
    189,167.67x = 261,158.31 × 125,592.39
  4. Step 4: Simplify right side
    189,167.67x = 32,799,496,321.26
  5. Step 5: Solve for x
    x = 32,799,496,321.26/189,167.67
  6. Step 6: Final answer
    x = 173,388.49

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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.