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Finding the Fourth Proportional to 179,494.68, 247,714.36 and 103,038.54

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Solution

The fourth proportional to 179,494.68, 247,714.36 and 103,038.54 is: 142,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,494.68 : 247,714.36 = 103,038.54 : x
  2. Step 2: Convert to fraction form
    179,494.68/247,714.36 = 103,038.54/x
  3. Step 3: Cross multiply
    179,494.68x = 247,714.36 × 103,038.54
  4. Step 4: Simplify right side
    179,494.68x = 25,524,125,991.43
  5. Step 5: Solve for x
    x = 25,524,125,991.43/179,494.68
  6. Step 6: Final answer
    x = 142,199.90

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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.