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Finding the Fourth Proportional to 169,692.91, 234,162.56 and 98,077.57

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Solution

The fourth proportional to 169,692.91, 234,162.56 and 98,077.57 is: 135,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,692.91 : 234,162.56 = 98,077.57 : x
  2. Step 2: Convert to fraction form
    169,692.91/234,162.56 = 98,077.57/x
  3. Step 3: Cross multiply
    169,692.91x = 234,162.56 × 98,077.57
  4. Step 4: Simplify right side
    169,692.91x = 22,966,096,176.98
  5. Step 5: Solve for x
    x = 22,966,096,176.98/169,692.91
  6. Step 6: Final answer
    x = 135,339.16

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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.