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Finding the Fourth Proportional to 169,812.72, 234,339.08 and 98,199.41

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Solution

The fourth proportional to 169,812.72, 234,339.08 and 98,199.41 is: 135,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,812.72 : 234,339.08 = 98,199.41 : x
  2. Step 2: Convert to fraction form
    169,812.72/234,339.08 = 98,199.41/x
  3. Step 3: Cross multiply
    169,812.72x = 234,339.08 × 98,199.41
  4. Step 4: Simplify right side
    169,812.72x = 23,011,957,733.25
  5. Step 5: Solve for x
    x = 23,011,957,733.25/169,812.72
  6. Step 6: Final answer
    x = 135,513.75

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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.