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Finding the Fourth Proportional to 123,053.28, 184,579.92 and 88,061.28

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Solution

The fourth proportional to 123,053.28, 184,579.92 and 88,061.28 is: 132,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,053.28 : 184,579.92 = 88,061.28 : x
  2. Step 2: Convert to fraction form
    123,053.28/184,579.92 = 88,061.28/x
  3. Step 3: Cross multiply
    123,053.28x = 184,579.92 × 88,061.28
  4. Step 4: Simplify right side
    123,053.28x = 16,254,344,017.50
  5. Step 5: Solve for x
    x = 16,254,344,017.50/123,053.28
  6. Step 6: Final answer
    x = 132,091.92

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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.