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Finding the Fourth Proportional to 179,393.01, 247,562.64 and 98,820.87

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Solution

The fourth proportional to 179,393.01, 247,562.64 and 98,820.87 is: 136,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,393.01 : 247,562.64 = 98,820.87 : x
  2. Step 2: Convert to fraction form
    179,393.01/247,562.64 = 98,820.87/x
  3. Step 3: Cross multiply
    179,393.01x = 247,562.64 × 98,820.87
  4. Step 4: Simplify right side
    179,393.01x = 24,464,355,464.30
  5. Step 5: Solve for x
    x = 24,464,355,464.30/179,393.01
  6. Step 6: Final answer
    x = 136,372.96

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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.