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Finding the Fourth Proportional to 124,113.42, 171,276.39 and 67,524.39

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Solution

The fourth proportional to 124,113.42, 171,276.39 and 67,524.39 is: 93,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,113.42 : 171,276.39 = 67,524.39 : x
  2. Step 2: Convert to fraction form
    124,113.42/171,276.39 = 67,524.39/x
  3. Step 3: Cross multiply
    124,113.42x = 171,276.39 × 67,524.39
  4. Step 4: Simplify right side
    124,113.42x = 11,565,333,756.15
  5. Step 5: Solve for x
    x = 11,565,333,756.15/124,113.42
  6. Step 6: Final answer
    x = 93,183.59

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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.