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Finding the Fourth Proportional to 132,597.99, 198,897.53 and 53,713.71

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Solution

The fourth proportional to 132,597.99, 198,897.53 and 53,713.71 is: 80,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,597.99 : 198,897.53 = 53,713.71 : x
  2. Step 2: Convert to fraction form
    132,597.99/198,897.53 = 53,713.71/x
  3. Step 3: Cross multiply
    132,597.99x = 198,897.53 × 53,713.71
  4. Step 4: Simplify right side
    132,597.99x = 10,683,523,977.57
  5. Step 5: Solve for x
    x = 10,683,523,977.57/132,597.99
  6. Step 6: Final answer
    x = 80,570.78

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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.