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Finding the Fourth Proportional to 159,854.42, 220,599.11 and 88,234.46

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Solution

The fourth proportional to 159,854.42, 220,599.11 and 88,234.46 is: 121,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.42 : 220,599.11 = 88,234.46 : x
  2. Step 2: Convert to fraction form
    159,854.42/220,599.11 = 88,234.46/x
  3. Step 3: Cross multiply
    159,854.42x = 220,599.11 × 88,234.46
  4. Step 4: Simplify right side
    159,854.42x = 19,464,443,347.33
  5. Step 5: Solve for x
    x = 19,464,443,347.33/159,854.42
  6. Step 6: Final answer
    x = 121,763.56

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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.