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Finding the Fourth Proportional to 232,212.80, 348,319.20 and 137,734.40

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Solution

The fourth proportional to 232,212.80, 348,319.20 and 137,734.40 is: 206,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,212.80 : 348,319.20 = 137,734.40 : x
  2. Step 2: Convert to fraction form
    232,212.80/348,319.20 = 137,734.40/x
  3. Step 3: Cross multiply
    232,212.80x = 348,319.20 × 137,734.40
  4. Step 4: Simplify right side
    232,212.80x = 47,975,536,020.48
  5. Step 5: Solve for x
    x = 47,975,536,020.48/232,212.80
  6. Step 6: Final answer
    x = 206,601.60

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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.