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Finding the Fourth Proportional to 160,025.16, 220,839.17 and 88,409.79

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Solution

The fourth proportional to 160,025.16, 220,839.17 and 88,409.79 is: 122,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,025.16 : 220,839.17 = 88,409.79 : x
  2. Step 2: Convert to fraction form
    160,025.16/220,839.17 = 88,409.79/x
  3. Step 3: Cross multiply
    160,025.16x = 220,839.17 × 88,409.79
  4. Step 4: Simplify right side
    160,025.16x = 19,524,344,643.47
  5. Step 5: Solve for x
    x = 19,524,344,643.47/160,025.16
  6. Step 6: Final answer
    x = 122,007.97

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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.