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Finding the Fourth Proportional to 195,381.60, 292,294.80 and 169,375.20

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Solution

The fourth proportional to 195,381.60, 292,294.80 and 169,375.20 is: 253,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,381.60 : 292,294.80 = 169,375.20 : x
  2. Step 2: Convert to fraction form
    195,381.60/292,294.80 = 169,375.20/x
  3. Step 3: Cross multiply
    195,381.60x = 292,294.80 × 169,375.20
  4. Step 4: Simplify right side
    195,381.60x = 49,507,490,208.96
  5. Step 5: Solve for x
    x = 49,507,490,208.96/195,381.60
  6. Step 6: Final answer
    x = 253,388.70

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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.