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Finding the Fourth Proportional to 259,508.80, 358,122.24 and 140,276.80

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Solution

The fourth proportional to 259,508.80, 358,122.24 and 140,276.80 is: 193,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,508.80 : 358,122.24 = 140,276.80 : x
  2. Step 2: Convert to fraction form
    259,508.80/358,122.24 = 140,276.80/x
  3. Step 3: Cross multiply
    259,508.80x = 358,122.24 × 140,276.80
  4. Step 4: Simplify right side
    259,508.80x = 50,236,241,836.03
  5. Step 5: Solve for x
    x = 50,236,241,836.03/259,508.80
  6. Step 6: Final answer
    x = 193,582.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.