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Finding the Fourth Proportional to 179,079.60, 247,110.44 and 103,614

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Solution

The fourth proportional to 179,079.60, 247,110.44 and 103,614 is: 142,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,079.60 : 247,110.44 = 103,614 : x
  2. Step 2: Convert to fraction form
    179,079.60/247,110.44 = 103,614/x
  3. Step 3: Cross multiply
    179,079.60x = 247,110.44 × 103,614
  4. Step 4: Simplify right side
    179,079.60x = 25,604,101,130.16
  5. Step 5: Solve for x
    x = 25,604,101,130.16/179,079.60
  6. Step 6: Final answer
    x = 142,976.09

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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.