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Finding the Fourth Proportional to 160,462.80, 221,446.84 and 88,850.72

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Solution

The fourth proportional to 160,462.80, 221,446.84 and 88,850.72 is: 122,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,462.80 : 221,446.84 = 88,850.72 : x
  2. Step 2: Convert to fraction form
    160,462.80/221,446.84 = 88,850.72/x
  3. Step 3: Cross multiply
    160,462.80x = 221,446.84 × 88,850.72
  4. Step 4: Simplify right side
    160,462.80x = 19,675,711,175.72
  5. Step 5: Solve for x
    x = 19,675,711,175.72/160,462.80
  6. Step 6: Final answer
    x = 122,618.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.