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Finding the Fourth Proportional to 116,344.56, 160,551.28 and 71,098.28

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Solution

The fourth proportional to 116,344.56, 160,551.28 and 71,098.28 is: 98,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,344.56 : 160,551.28 = 71,098.28 : x
  2. Step 2: Convert to fraction form
    116,344.56/160,551.28 = 71,098.28/x
  3. Step 3: Cross multiply
    116,344.56x = 160,551.28 × 71,098.28
  4. Step 4: Simplify right side
    116,344.56x = 11,414,919,859.80
  5. Step 5: Solve for x
    x = 11,414,919,859.80/116,344.56
  6. Step 6: Final answer
    x = 98,113.05

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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.