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Finding the Fourth Proportional to 202,823.60, 304,235.40 and 132,321.20

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Solution

The fourth proportional to 202,823.60, 304,235.40 and 132,321.20 is: 198,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,823.60 : 304,235.40 = 132,321.20 : x
  2. Step 2: Convert to fraction form
    202,823.60/304,235.40 = 132,321.20/x
  3. Step 3: Cross multiply
    202,823.60x = 304,235.40 × 132,321.20
  4. Step 4: Simplify right side
    202,823.60x = 40,256,793,210.48
  5. Step 5: Solve for x
    x = 40,256,793,210.48/202,823.60
  6. Step 6: Final answer
    x = 198,481.80

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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.