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Finding the Fourth Proportional to 159,677.60, 220,368.22 and 88,064.42

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Solution

The fourth proportional to 159,677.60, 220,368.22 and 88,064.42 is: 121,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,677.60 : 220,368.22 = 88,064.42 : x
  2. Step 2: Convert to fraction form
    159,677.60/220,368.22 = 88,064.42/x
  3. Step 3: Cross multiply
    159,677.60x = 220,368.22 × 88,064.42
  4. Step 4: Simplify right side
    159,677.60x = 19,406,599,480.73
  5. Step 5: Solve for x
    x = 19,406,599,480.73/159,677.60
  6. Step 6: Final answer
    x = 121,536.14

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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.