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Finding the Fourth Proportional to 132,956.76, 199,467.96 and 39,462.48

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Solution

The fourth proportional to 132,956.76, 199,467.96 and 39,462.48 is: 59,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,956.76 : 199,467.96 = 39,462.48 : x
  2. Step 2: Convert to fraction form
    132,956.76/199,467.96 = 39,462.48/x
  3. Step 3: Cross multiply
    132,956.76x = 199,467.96 × 39,462.48
  4. Step 4: Simplify right side
    132,956.76x = 7,871,500,382.14
  5. Step 5: Solve for x
    x = 7,871,500,382.14/132,956.76
  6. Step 6: Final answer
    x = 59,203.46

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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.