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Finding the Fourth Proportional to 195,643.60, 292,687.80 and 169,637.20

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Solution

The fourth proportional to 195,643.60, 292,687.80 and 169,637.20 is: 253,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,643.60 : 292,687.80 = 169,637.20 : x
  2. Step 2: Convert to fraction form
    195,643.60/292,687.80 = 169,637.20/x
  3. Step 3: Cross multiply
    195,643.60x = 292,687.80 × 169,637.20
  4. Step 4: Simplify right side
    195,643.60x = 49,650,738,866.16
  5. Step 5: Solve for x
    x = 49,650,738,866.16/195,643.60
  6. Step 6: Final answer
    x = 253,781.56

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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.