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Finding the Fourth Proportional to 160,358.82, 221,291.88 and 88,734.60

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Solution

The fourth proportional to 160,358.82, 221,291.88 and 88,734.60 is: 122,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,358.82 : 221,291.88 = 88,734.60 : x
  2. Step 2: Convert to fraction form
    160,358.82/221,291.88 = 88,734.60/x
  3. Step 3: Cross multiply
    160,358.82x = 221,291.88 × 88,734.60
  4. Step 4: Simplify right side
    160,358.82x = 19,636,246,455.05
  5. Step 5: Solve for x
    x = 19,636,246,455.05/160,358.82
  6. Step 6: Final answer
    x = 122,451.93

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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.