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Finding the Fourth Proportional to 159,854.41, 220,599.11 and 88,234.45

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Solution

The fourth proportional to 159,854.41, 220,599.11 and 88,234.45 is: 121,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.41 : 220,599.11 = 88,234.45 : x
  2. Step 2: Convert to fraction form
    159,854.41/220,599.11 = 88,234.45/x
  3. Step 3: Cross multiply
    159,854.41x = 220,599.11 × 88,234.45
  4. Step 4: Simplify right side
    159,854.41x = 19,464,441,141.34
  5. Step 5: Solve for x
    x = 19,464,441,141.34/159,854.41
  6. Step 6: Final answer
    x = 121,763.55

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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.