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Finding the Fourth Proportional to 169,865.60, 234,417.60 and 98,249.60

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Solution

The fourth proportional to 169,865.60, 234,417.60 and 98,249.60 is: 135,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,865.60 : 234,417.60 = 98,249.60 : x
  2. Step 2: Convert to fraction form
    169,865.60/234,417.60 = 98,249.60/x
  3. Step 3: Cross multiply
    169,865.60x = 234,417.60 × 98,249.60
  4. Step 4: Simplify right side
    169,865.60x = 23,031,435,432.96
  5. Step 5: Solve for x
    x = 23,031,435,432.96/169,865.60
  6. Step 6: Final answer
    x = 135,586.22

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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.