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Finding the Fourth Proportional to 174,324.20, 260,830.20 and 115,275.20

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Solution

The fourth proportional to 174,324.20, 260,830.20 and 115,275.20 is: 172,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,324.20 : 260,830.20 = 115,275.20 : x
  2. Step 2: Convert to fraction form
    174,324.20/260,830.20 = 115,275.20/x
  3. Step 3: Cross multiply
    174,324.20x = 260,830.20 × 115,275.20
  4. Step 4: Simplify right side
    174,324.20x = 30,067,253,471.04
  5. Step 5: Solve for x
    x = 30,067,253,471.04/174,324.20
  6. Step 6: Final answer
    x = 172,478.94

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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.