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Finding the Fourth Proportional to 148,854.80, 223,278.60 and 89,645.60

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Solution

The fourth proportional to 148,854.80, 223,278.60 and 89,645.60 is: 134,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,854.80 : 223,278.60 = 89,645.60 : x
  2. Step 2: Convert to fraction form
    148,854.80/223,278.60 = 89,645.60/x
  3. Step 3: Cross multiply
    148,854.80x = 223,278.60 × 89,645.60
  4. Step 4: Simplify right side
    148,854.80x = 20,015,944,064.16
  5. Step 5: Solve for x
    x = 20,015,944,064.16/148,854.80
  6. Step 6: Final answer
    x = 134,466.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.