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Finding the Fourth Proportional to 160,043.36, 220,841.01 and 88,419.11

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Solution

The fourth proportional to 160,043.36, 220,841.01 and 88,419.11 is: 122,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,043.36 : 220,841.01 = 88,419.11 : x
  2. Step 2: Convert to fraction form
    160,043.36/220,841.01 = 88,419.11/x
  3. Step 3: Cross multiply
    160,043.36x = 220,841.01 × 88,419.11
  4. Step 4: Simplify right side
    160,043.36x = 19,526,565,555.70
  5. Step 5: Solve for x
    x = 19,526,565,555.70/160,043.36
  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.