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Finding the Fourth Proportional to 126,856.29, 175,054.17 and 69,484.17

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Solution

The fourth proportional to 126,856.29, 175,054.17 and 69,484.17 is: 95,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,856.29 : 175,054.17 = 69,484.17 : x
  2. Step 2: Convert to fraction form
    126,856.29/175,054.17 = 69,484.17/x
  3. Step 3: Cross multiply
    126,856.29x = 175,054.17 × 69,484.17
  4. Step 4: Simplify right side
    126,856.29x = 12,163,493,707.49
  5. Step 5: Solve for x
    x = 12,163,493,707.49/126,856.29
  6. Step 6: Final answer
    x = 95,884.04

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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.