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Finding the Fourth Proportional to 160,585.92, 221,605.56 and 88,964.37

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Solution

The fourth proportional to 160,585.92, 221,605.56 and 88,964.37 is: 122,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,585.92 : 221,605.56 = 88,964.37 : x
  2. Step 2: Convert to fraction form
    160,585.92/221,605.56 = 88,964.37/x
  3. Step 3: Cross multiply
    160,585.92x = 221,605.56 × 88,964.37
  4. Step 4: Simplify right side
    160,585.92x = 19,714,999,033.90
  5. Step 5: Solve for x
    x = 19,714,999,033.90/160,585.92
  6. Step 6: Final answer
    x = 122,769.16

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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.