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Finding the Fourth Proportional to 169,501.52, 254,253.80 and 43,141.90

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Solution

The fourth proportional to 169,501.52, 254,253.80 and 43,141.90 is: 64,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,501.52 : 254,253.80 = 43,141.90 : x
  2. Step 2: Convert to fraction form
    169,501.52/254,253.80 = 43,141.90/x
  3. Step 3: Cross multiply
    169,501.52x = 254,253.80 × 43,141.90
  4. Step 4: Simplify right side
    169,501.52x = 10,968,991,517.85
  5. Step 5: Solve for x
    x = 10,968,991,517.85/169,501.52
  6. Step 6: Final answer
    x = 64,713.23

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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.