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Finding the Fourth Proportional to 268,773.52, 370,888.35 and 159,871.86

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Solution

The fourth proportional to 268,773.52, 370,888.35 and 159,871.86 is: 220,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,773.52 : 370,888.35 = 159,871.86 : x
  2. Step 2: Convert to fraction form
    268,773.52/370,888.35 = 159,871.86/x
  3. Step 3: Cross multiply
    268,773.52x = 370,888.35 × 159,871.86
  4. Step 4: Simplify right side
    268,773.52x = 59,294,608,427.45
  5. Step 5: Solve for x
    x = 59,294,608,427.45/268,773.52
  6. Step 6: Final answer
    x = 220,611.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.