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Finding the Fourth Proportional to 132,837.60, 199,256.40 and 101,344.80

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Solution

The fourth proportional to 132,837.60, 199,256.40 and 101,344.80 is: 152,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,837.60 : 199,256.40 = 101,344.80 : x
  2. Step 2: Convert to fraction form
    132,837.60/199,256.40 = 101,344.80/x
  3. Step 3: Cross multiply
    132,837.60x = 199,256.40 × 101,344.80
  4. Step 4: Simplify right side
    132,837.60x = 20,193,600,006.72
  5. Step 5: Solve for x
    x = 20,193,600,006.72/132,837.60
  6. Step 6: Final answer
    x = 152,017.20

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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.