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Finding the Fourth Proportional to 175,032.20, 261,892.20 and 115,983.20

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Solution

The fourth proportional to 175,032.20, 261,892.20 and 115,983.20 is: 173,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,032.20 : 261,892.20 = 115,983.20 : x
  2. Step 2: Convert to fraction form
    175,032.20/261,892.20 = 115,983.20/x
  3. Step 3: Cross multiply
    175,032.20x = 261,892.20 × 115,983.20
  4. Step 4: Simplify right side
    175,032.20x = 30,375,095,411.04
  5. Step 5: Solve for x
    x = 30,375,095,411.04/175,032.20
  6. Step 6: Final answer
    x = 173,540.04

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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.