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Finding the Fourth Proportional to 124,000.33, 171,133.82 and 70,279.58

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Solution

The fourth proportional to 124,000.33, 171,133.82 and 70,279.58 is: 96,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.33 : 171,133.82 = 70,279.58 : x
  2. Step 2: Convert to fraction form
    124,000.33/171,133.82 = 70,279.58/x
  3. Step 3: Cross multiply
    124,000.33x = 171,133.82 × 70,279.58
  4. Step 4: Simplify right side
    124,000.33x = 12,027,212,049.88
  5. Step 5: Solve for x
    x = 12,027,212,049.88/124,000.33
  6. Step 6: Final answer
    x = 96,993.39

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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.