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Finding the Fourth Proportional to 113,469.60, 170,204.40 and 38,674.20

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Solution

The fourth proportional to 113,469.60, 170,204.40 and 38,674.20 is: 58,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,469.60 : 170,204.40 = 38,674.20 : x
  2. Step 2: Convert to fraction form
    113,469.60/170,204.40 = 38,674.20/x
  3. Step 3: Cross multiply
    113,469.60x = 170,204.40 × 38,674.20
  4. Step 4: Simplify right side
    113,469.60x = 6,582,519,006.48
  5. Step 5: Solve for x
    x = 6,582,519,006.48/113,469.60
  6. Step 6: Final answer
    x = 58,011.30

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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.