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Finding the Fourth Proportional to 73,991.92, 111,228.48 and 59,360.92

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Solution

The fourth proportional to 73,991.92, 111,228.48 and 59,360.92 is: 89,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,991.92 : 111,228.48 = 59,360.92 : x
  2. Step 2: Convert to fraction form
    73,991.92/111,228.48 = 59,360.92/x
  3. Step 3: Cross multiply
    73,991.92x = 111,228.48 × 59,360.92
  4. Step 4: Simplify right side
    73,991.92x = 6,602,624,903.00
  5. Step 5: Solve for x
    x = 6,602,624,903.00/73,991.92
  6. Step 6: Final answer
    x = 89,234.40

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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.