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Finding the Fourth Proportional to 129,947.44, 179,327.44 and 73,358.82

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Solution

The fourth proportional to 129,947.44, 179,327.44 and 73,358.82 is: 101,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,947.44 : 179,327.44 = 73,358.82 : x
  2. Step 2: Convert to fraction form
    129,947.44/179,327.44 = 73,358.82/x
  3. Step 3: Cross multiply
    129,947.44x = 179,327.44 × 73,358.82
  4. Step 4: Simplify right side
    129,947.44x = 13,155,249,392.02
  5. Step 5: Solve for x
    x = 13,155,249,392.02/129,947.44
  6. Step 6: Final answer
    x = 101,235.16

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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.