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Finding the Fourth Proportional to 174,330.20, 260,839.20 and 115,281.20

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Solution

The fourth proportional to 174,330.20, 260,839.20 and 115,281.20 is: 172,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,330.20 : 260,839.20 = 115,281.20 : x
  2. Step 2: Convert to fraction form
    174,330.20/260,839.20 = 115,281.20/x
  3. Step 3: Cross multiply
    174,330.20x = 260,839.20 × 115,281.20
  4. Step 4: Simplify right side
    174,330.20x = 30,069,855,983.04
  5. Step 5: Solve for x
    x = 30,069,855,983.04/174,330.20
  6. Step 6: Final answer
    x = 172,487.93

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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.