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Finding the Fourth Proportional to 247,281.60, 370,922.40 and 158,708.10

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Solution

The fourth proportional to 247,281.60, 370,922.40 and 158,708.10 is: 238,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281.60 : 370,922.40 = 158,708.10 : x
  2. Step 2: Convert to fraction form
    247,281.60/370,922.40 = 158,708.10/x
  3. Step 3: Cross multiply
    247,281.60x = 370,922.40 × 158,708.10
  4. Step 4: Simplify right side
    247,281.60x = 58,868,389,351.44
  5. Step 5: Solve for x
    x = 58,868,389,351.44/247,281.60
  6. Step 6: Final answer
    x = 238,062.15

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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.