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Finding the Fourth Proportional to 159,753.60, 239,630.40 and 143,132.40

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Solution

The fourth proportional to 159,753.60, 239,630.40 and 143,132.40 is: 214,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.60 : 239,630.40 = 143,132.40 : x
  2. Step 2: Convert to fraction form
    159,753.60/239,630.40 = 143,132.40/x
  3. Step 3: Cross multiply
    159,753.60x = 239,630.40 × 143,132.40
  4. Step 4: Simplify right side
    159,753.60x = 34,298,874,264.96
  5. Step 5: Solve for x
    x = 34,298,874,264.96/159,753.60
  6. Step 6: Final answer
    x = 214,698.60

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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.