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Finding the Fourth Proportional to 169,703.28, 254,586.15 and 55,857.48

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Solution

The fourth proportional to 169,703.28, 254,586.15 and 55,857.48 is: 83,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,703.28 : 254,586.15 = 55,857.48 : x
  2. Step 2: Convert to fraction form
    169,703.28/254,586.15 = 55,857.48/x
  3. Step 3: Cross multiply
    169,703.28x = 254,586.15 × 55,857.48
  4. Step 4: Simplify right side
    169,703.28x = 14,220,540,781.90
  5. Step 5: Solve for x
    x = 14,220,540,781.90/169,703.28
  6. Step 6: Final answer
    x = 83,796.50

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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.