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Finding the Fourth Proportional to 195,456.80, 292,747.80 and 169,212.80

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Solution

The fourth proportional to 195,456.80, 292,747.80 and 169,212.80 is: 253,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,456.80 : 292,747.80 = 169,212.80 : x
  2. Step 2: Convert to fraction form
    195,456.80/292,747.80 = 169,212.80/x
  3. Step 3: Cross multiply
    195,456.80x = 292,747.80 × 169,212.80
  4. Step 4: Simplify right side
    195,456.80x = 49,536,674,931.84
  5. Step 5: Solve for x
    x = 49,536,674,931.84/195,456.80
  6. Step 6: Final answer
    x = 253,440.53

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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.