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Finding the Fourth Proportional to 113,672.43, 170,526.11 and 38,775.07

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Solution

The fourth proportional to 113,672.43, 170,526.11 and 38,775.07 is: 58,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,672.43 : 170,526.11 = 38,775.07 : x
  2. Step 2: Convert to fraction form
    113,672.43/170,526.11 = 38,775.07/x
  3. Step 3: Cross multiply
    113,672.43x = 170,526.11 × 38,775.07
  4. Step 4: Simplify right side
    113,672.43x = 6,612,162,089.47
  5. Step 5: Solve for x
    x = 6,612,162,089.47/113,672.43
  6. Step 6: Final answer
    x = 58,168.56

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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.