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Finding the Fourth Proportional to 170,127, 234,759.96 and 98,511.84

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Solution

The fourth proportional to 170,127, 234,759.96 and 98,511.84 is: 135,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,127 : 234,759.96 = 98,511.84 : x
  2. Step 2: Convert to fraction form
    170,127/234,759.96 = 98,511.84/x
  3. Step 3: Cross multiply
    170,127x = 234,759.96 × 98,511.84
  4. Step 4: Simplify right side
    170,127x = 23,126,635,617.93
  5. Step 5: Solve for x
    x = 23,126,635,617.93/170,127
  6. Step 6: Final answer
    x = 135,937.48

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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.