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Finding the Fourth Proportional to 160,103.36, 220,934.18 and 88,479.12

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Solution

The fourth proportional to 160,103.36, 220,934.18 and 88,479.12 is: 122,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103.36 : 220,934.18 = 88,479.12 : x
  2. Step 2: Convert to fraction form
    160,103.36/220,934.18 = 88,479.12/x
  3. Step 3: Cross multiply
    160,103.36x = 220,934.18 × 88,479.12
  4. Step 4: Simplify right side
    160,103.36x = 19,548,061,824.32
  5. Step 5: Solve for x
    x = 19,548,061,824.32/160,103.36
  6. Step 6: Final answer
    x = 122,096.51

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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.