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Finding the Fourth Proportional to 160,552.92, 221,564.88 and 88,934.34

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Solution

The fourth proportional to 160,552.92, 221,564.88 and 88,934.34 is: 122,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,552.92 : 221,564.88 = 88,934.34 : x
  2. Step 2: Convert to fraction form
    160,552.92/221,564.88 = 88,934.34/x
  3. Step 3: Cross multiply
    160,552.92x = 221,564.88 × 88,934.34
  4. Step 4: Simplify right side
    160,552.92x = 19,704,726,369.98
  5. Step 5: Solve for x
    x = 19,704,726,369.98/160,552.92
  6. Step 6: Final answer
    x = 122,730.41

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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.