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Finding the Fourth Proportional to 160,580.40, 221,614.56 and 88,982.88

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Solution

The fourth proportional to 160,580.40, 221,614.56 and 88,982.88 is: 122,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,580.40 : 221,614.56 = 88,982.88 : x
  2. Step 2: Convert to fraction form
    160,580.40/221,614.56 = 88,982.88/x
  3. Step 3: Cross multiply
    160,580.40x = 221,614.56 × 88,982.88
  4. Step 4: Simplify right side
    160,580.40x = 19,719,901,798.73
  5. Step 5: Solve for x
    x = 19,719,901,798.73/160,580.40
  6. Step 6: Final answer
    x = 122,803.92

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1.5x scale

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.