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Finding the Fourth Proportional to 159,650.76, 220,317.82 and 88,030.96

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Solution

The fourth proportional to 159,650.76, 220,317.82 and 88,030.96 is: 121,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.76 : 220,317.82 = 88,030.96 : x
  2. Step 2: Convert to fraction form
    159,650.76/220,317.82 = 88,030.96/x
  3. Step 3: Cross multiply
    159,650.76x = 220,317.82 × 88,030.96
  4. Step 4: Simplify right side
    159,650.76x = 19,394,788,428.84
  5. Step 5: Solve for x
    x = 19,394,788,428.84/159,650.76
  6. Step 6: Final answer
    x = 121,482.59

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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.