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Finding the Fourth Proportional to 160,352.80, 221,286.88 and 88,733.10

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Solution

The fourth proportional to 160,352.80, 221,286.88 and 88,733.10 is: 122,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,352.80 : 221,286.88 = 88,733.10 : x
  2. Step 2: Convert to fraction form
    160,352.80/221,286.88 = 88,733.10/x
  3. Step 3: Cross multiply
    160,352.80x = 221,286.88 × 88,733.10
  4. Step 4: Simplify right side
    160,352.80x = 19,635,470,851.73
  5. Step 5: Solve for x
    x = 19,635,470,851.73/160,352.80
  6. Step 6: Final answer
    x = 122,451.69

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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.