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Finding the Fourth Proportional to 159,866.37, 220,599.86 and 88,241.76

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Solution

The fourth proportional to 159,866.37, 220,599.86 and 88,241.76 is: 121,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,866.37 : 220,599.86 = 88,241.76 : x
  2. Step 2: Convert to fraction form
    159,866.37/220,599.86 = 88,241.76/x
  3. Step 3: Cross multiply
    159,866.37x = 220,599.86 × 88,241.76
  4. Step 4: Simplify right side
    159,866.37x = 19,466,119,460.94
  5. Step 5: Solve for x
    x = 19,466,119,460.94/159,866.37
  6. Step 6: Final answer
    x = 121,764.94

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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.