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Finding the Fourth Proportional to 159,645.42, 220,308.03 and 88,032.06

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Solution

The fourth proportional to 159,645.42, 220,308.03 and 88,032.06 is: 121,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,645.42 : 220,308.03 = 88,032.06 : x
  2. Step 2: Convert to fraction form
    159,645.42/220,308.03 = 88,032.06/x
  3. Step 3: Cross multiply
    159,645.42x = 220,308.03 × 88,032.06
  4. Step 4: Simplify right side
    159,645.42x = 19,394,169,715.44
  5. Step 5: Solve for x
    x = 19,394,169,715.44/159,645.42
  6. Step 6: Final answer
    x = 121,482.78

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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.