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Finding the Fourth Proportional to 147,776.96, 221,512.24 and 68,826.24

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Solution

The fourth proportional to 147,776.96, 221,512.24 and 68,826.24 is: 103,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,776.96 : 221,512.24 = 68,826.24 : x
  2. Step 2: Convert to fraction form
    147,776.96/221,512.24 = 68,826.24/x
  3. Step 3: Cross multiply
    147,776.96x = 221,512.24 × 68,826.24
  4. Step 4: Simplify right side
    147,776.96x = 15,245,854,593.18
  5. Step 5: Solve for x
    x = 15,245,854,593.18/147,776.96
  6. Step 6: Final answer
    x = 103,168.01

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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.