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Finding the Fourth Proportional to 124,472.52, 171,771.84 and 67,883.76

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Solution

The fourth proportional to 124,472.52, 171,771.84 and 67,883.76 is: 93,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472.52 : 171,771.84 = 67,883.76 : x
  2. Step 2: Convert to fraction form
    124,472.52/171,771.84 = 67,883.76/x
  3. Step 3: Cross multiply
    124,472.52x = 171,771.84 × 67,883.76
  4. Step 4: Simplify right side
    124,472.52x = 11,660,518,361.32
  5. Step 5: Solve for x
    x = 11,660,518,361.32/124,472.52
  6. Step 6: Final answer
    x = 93,679.46

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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.