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Finding the Fourth Proportional to 174,320.20, 260,824.20 and 115,271.20

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Solution

The fourth proportional to 174,320.20, 260,824.20 and 115,271.20 is: 172,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,320.20 : 260,824.20 = 115,271.20 : x
  2. Step 2: Convert to fraction form
    174,320.20/260,824.20 = 115,271.20/x
  3. Step 3: Cross multiply
    174,320.20x = 260,824.20 × 115,271.20
  4. Step 4: Simplify right side
    174,320.20x = 30,065,518,523.04
  5. Step 5: Solve for x
    x = 30,065,518,523.04/174,320.20
  6. Step 6: Final answer
    x = 172,472.95

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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.