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Finding the Fourth Proportional to 135,065.04, 202,606.20 and 51,959.04

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Solution

The fourth proportional to 135,065.04, 202,606.20 and 51,959.04 is: 77,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,065.04 : 202,606.20 = 51,959.04 : x
  2. Step 2: Convert to fraction form
    135,065.04/202,606.20 = 51,959.04/x
  3. Step 3: Cross multiply
    135,065.04x = 202,606.20 × 51,959.04
  4. Step 4: Simplify right side
    135,065.04x = 10,527,223,650.05
  5. Step 5: Solve for x
    x = 10,527,223,650.05/135,065.04
  6. Step 6: Final answer
    x = 77,941.88

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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.