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Finding the Fourth Proportional to 179,046, 247,085.51 and 98,474.85

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Solution

The fourth proportional to 179,046, 247,085.51 and 98,474.85 is: 135,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,046 : 247,085.51 = 98,474.85 : x
  2. Step 2: Convert to fraction form
    179,046/247,085.51 = 98,474.85/x
  3. Step 3: Cross multiply
    179,046x = 247,085.51 × 98,474.85
  4. Step 4: Simplify right side
    179,046x = 24,331,708,042.05
  5. Step 5: Solve for x
    x = 24,331,708,042.05/179,046
  6. Step 6: Final answer
    x = 135,896.41

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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.