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Finding the Fourth Proportional to 199,251.60, 299,023.20 and 132,669.60

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Solution

The fourth proportional to 199,251.60, 299,023.20 and 132,669.60 is: 199,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,251.60 : 299,023.20 = 132,669.60 : x
  2. Step 2: Convert to fraction form
    199,251.60/299,023.20 = 132,669.60/x
  3. Step 3: Cross multiply
    199,251.60x = 299,023.20 × 132,669.60
  4. Step 4: Simplify right side
    199,251.60x = 39,671,288,334.72
  5. Step 5: Solve for x
    x = 39,671,288,334.72/199,251.60
  6. Step 6: Final answer
    x = 199,101.48

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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.