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Finding the Fourth Proportional to 107,243.30, 160,892.29 and 75,714.79

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Solution

The fourth proportional to 107,243.30, 160,892.29 and 75,714.79 is: 113,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.30 : 160,892.29 = 75,714.79 : x
  2. Step 2: Convert to fraction form
    107,243.30/160,892.29 = 75,714.79/x
  3. Step 3: Cross multiply
    107,243.30x = 160,892.29 × 75,714.79
  4. Step 4: Simplify right side
    107,243.30x = 12,181,926,895.66
  5. Step 5: Solve for x
    x = 12,181,926,895.66/107,243.30
  6. Step 6: Final answer
    x = 113,591.49

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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.