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Finding the Fourth Proportional to 242,032.80, 363,049.20 and 131,440.80

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Solution

The fourth proportional to 242,032.80, 363,049.20 and 131,440.80 is: 197,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,032.80 : 363,049.20 = 131,440.80 : x
  2. Step 2: Convert to fraction form
    242,032.80/363,049.20 = 131,440.80/x
  3. Step 3: Cross multiply
    242,032.80x = 363,049.20 × 131,440.80
  4. Step 4: Simplify right side
    242,032.80x = 47,719,477,287.36
  5. Step 5: Solve for x
    x = 47,719,477,287.36/242,032.80
  6. Step 6: Final answer
    x = 197,161.20

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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.