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Finding the Fourth Proportional to 132,661.52, 198,816.76 and 53,682.32

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Solution

The fourth proportional to 132,661.52, 198,816.76 and 53,682.32 is: 80,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,661.52 : 198,816.76 = 53,682.32 : x
  2. Step 2: Convert to fraction form
    132,661.52/198,816.76 = 53,682.32/x
  3. Step 3: Cross multiply
    132,661.52x = 198,816.76 × 53,682.32
  4. Step 4: Simplify right side
    132,661.52x = 10,672,944,931.68
  5. Step 5: Solve for x
    x = 10,672,944,931.68/132,661.52
  6. Step 6: Final answer
    x = 80,452.45

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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.