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Finding the Fourth Proportional to 134,610.40, 201,915.60 and 132,860.80

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Solution

The fourth proportional to 134,610.40, 201,915.60 and 132,860.80 is: 199,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,610.40 : 201,915.60 = 132,860.80 : x
  2. Step 2: Convert to fraction form
    134,610.40/201,915.60 = 132,860.80/x
  3. Step 3: Cross multiply
    134,610.40x = 201,915.60 × 132,860.80
  4. Step 4: Simplify right side
    134,610.40x = 26,826,668,148.48
  5. Step 5: Solve for x
    x = 26,826,668,148.48/134,610.40
  6. Step 6: Final answer
    x = 199,291.20

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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.