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Finding the Fourth Proportional to 268,179.66, 370,069.56 and 160,695.90

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Solution

The fourth proportional to 268,179.66, 370,069.56 and 160,695.90 is: 221,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,179.66 : 370,069.56 = 160,695.90 : x
  2. Step 2: Convert to fraction form
    268,179.66/370,069.56 = 160,695.90/x
  3. Step 3: Cross multiply
    268,179.66x = 370,069.56 × 160,695.90
  4. Step 4: Simplify right side
    268,179.66x = 59,468,661,006.80
  5. Step 5: Solve for x
    x = 59,468,661,006.80/268,179.66
  6. Step 6: Final answer
    x = 221,749.33

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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.