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Finding the Fourth Proportional to 124,034.88, 171,108 and 73,698.24

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Solution

The fourth proportional to 124,034.88, 171,108 and 73,698.24 is: 101,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.88 : 171,108 = 73,698.24 : x
  2. Step 2: Convert to fraction form
    124,034.88/171,108 = 73,698.24/x
  3. Step 3: Cross multiply
    124,034.88x = 171,108 × 73,698.24
  4. Step 4: Simplify right side
    124,034.88x = 12,610,358,449.92
  5. Step 5: Solve for x
    x = 12,610,358,449.92/124,034.88
  6. Step 6: Final answer
    x = 101,667.84

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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.