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Finding the Fourth Proportional to 161,247.60, 241,871.92 and 48,928.76

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Solution

The fourth proportional to 161,247.60, 241,871.92 and 48,928.76 is: 73,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,247.60 : 241,871.92 = 48,928.76 : x
  2. Step 2: Convert to fraction form
    161,247.60/241,871.92 = 48,928.76/x
  3. Step 3: Cross multiply
    161,247.60x = 241,871.92 × 48,928.76
  4. Step 4: Simplify right side
    161,247.60x = 11,834,493,124.42
  5. Step 5: Solve for x
    x = 11,834,493,124.42/161,247.60
  6. Step 6: Final answer
    x = 73,393.30

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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.