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Finding the Fourth Proportional to 179,363, 247,520.94 and 103,955.24

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Solution

The fourth proportional to 179,363, 247,520.94 and 103,955.24 is: 143,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,363 : 247,520.94 = 103,955.24 : x
  2. Step 2: Convert to fraction form
    179,363/247,520.94 = 103,955.24/x
  3. Step 3: Cross multiply
    179,363x = 247,520.94 × 103,955.24
  4. Step 4: Simplify right side
    179,363x = 25,731,098,722.73
  5. Step 5: Solve for x
    x = 25,731,098,722.73/179,363
  6. Step 6: Final answer
    x = 143,458.23

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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.