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Finding the Fourth Proportional to 159,854.19, 220,583.05 and 88,229.57

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Solution

The fourth proportional to 159,854.19, 220,583.05 and 88,229.57 is: 121,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.19 : 220,583.05 = 88,229.57 : x
  2. Step 2: Convert to fraction form
    159,854.19/220,583.05 = 88,229.57/x
  3. Step 3: Cross multiply
    159,854.19x = 220,583.05 × 88,229.57
  4. Step 4: Simplify right side
    159,854.19x = 19,461,946,327.30
  5. Step 5: Solve for x
    x = 19,461,946,327.30/159,854.19
  6. Step 6: Final answer
    x = 121,748.12

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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.