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Finding the Fourth Proportional to 160,545.66, 221,565.51 and 88,932.48

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Solution

The fourth proportional to 160,545.66, 221,565.51 and 88,932.48 is: 122,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,545.66 : 221,565.51 = 88,932.48 : x
  2. Step 2: Convert to fraction form
    160,545.66/221,565.51 = 88,932.48/x
  3. Step 3: Cross multiply
    160,545.66x = 221,565.51 × 88,932.48
  4. Step 4: Simplify right side
    160,545.66x = 19,704,370,286.76
  5. Step 5: Solve for x
    x = 19,704,370,286.76/160,545.66
  6. Step 6: Final answer
    x = 122,733.75

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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.