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Finding the Fourth Proportional to 160,929.80, 241,437.90 and 143,520.20

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Solution

The fourth proportional to 160,929.80, 241,437.90 and 143,520.20 is: 215,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,929.80 : 241,437.90 = 143,520.20 : x
  2. Step 2: Convert to fraction form
    160,929.80/241,437.90 = 143,520.20/x
  3. Step 3: Cross multiply
    160,929.80x = 241,437.90 × 143,520.20
  4. Step 4: Simplify right side
    160,929.80x = 34,651,215,695.58
  5. Step 5: Solve for x
    x = 34,651,215,695.58/160,929.80
  6. Step 6: Final answer
    x = 215,318.83

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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.