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Finding the Fourth Proportional to 160,086.40, 220,900.16 and 88,462.08

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Solution

The fourth proportional to 160,086.40, 220,900.16 and 88,462.08 is: 122,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,086.40 : 220,900.16 = 88,462.08 : x
  2. Step 2: Convert to fraction form
    160,086.40/220,900.16 = 88,462.08/x
  3. Step 3: Cross multiply
    160,086.40x = 220,900.16 × 88,462.08
  4. Step 4: Simplify right side
    160,086.40x = 19,541,287,625.93
  5. Step 5: Solve for x
    x = 19,541,287,625.93/160,086.40
  6. Step 6: Final answer
    x = 122,067.13

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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.