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Finding the Fourth Proportional to 142,337.76, 213,372 and 63,408.48

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Solution

The fourth proportional to 142,337.76, 213,372 and 63,408.48 is: 95,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,337.76 : 213,372 = 63,408.48 : x
  2. Step 2: Convert to fraction form
    142,337.76/213,372 = 63,408.48/x
  3. Step 3: Cross multiply
    142,337.76x = 213,372 × 63,408.48
  4. Step 4: Simplify right side
    142,337.76x = 13,529,594,194.56
  5. Step 5: Solve for x
    x = 13,529,594,194.56/142,337.76
  6. Step 6: Final answer
    x = 95,052.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.