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Finding the Fourth Proportional to 113,873.36, 170,792.46 and 38,976.30

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Solution

The fourth proportional to 113,873.36, 170,792.46 and 38,976.30 is: 58,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873.36 : 170,792.46 = 38,976.30 : x
  2. Step 2: Convert to fraction form
    113,873.36/170,792.46 = 38,976.30/x
  3. Step 3: Cross multiply
    113,873.36x = 170,792.46 × 38,976.30
  4. Step 4: Simplify right side
    113,873.36x = 6,656,858,158.70
  5. Step 5: Solve for x
    x = 6,656,858,158.70/113,873.36
  6. Step 6: Final answer
    x = 58,458.44

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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.