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Finding the Fourth Proportional to 113,349.20, 170,023.80 and 106,350.80

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Solution

The fourth proportional to 113,349.20, 170,023.80 and 106,350.80 is: 159,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,349.20 : 170,023.80 = 106,350.80 : x
  2. Step 2: Convert to fraction form
    113,349.20/170,023.80 = 106,350.80/x
  3. Step 3: Cross multiply
    113,349.20x = 170,023.80 × 106,350.80
  4. Step 4: Simplify right side
    113,349.20x = 18,082,167,149.04
  5. Step 5: Solve for x
    x = 18,082,167,149.04/113,349.20
  6. Step 6: Final answer
    x = 159,526.20

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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.