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Finding the Fourth Proportional to 132,768.39, 199,152.40 and 61,652.14

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Solution

The fourth proportional to 132,768.39, 199,152.40 and 61,652.14 is: 92,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768.39 : 199,152.40 = 61,652.14 : x
  2. Step 2: Convert to fraction form
    132,768.39/199,152.40 = 61,652.14/x
  3. Step 3: Cross multiply
    132,768.39x = 199,152.40 × 61,652.14
  4. Step 4: Simplify right side
    132,768.39x = 12,278,171,646.14
  5. Step 5: Solve for x
    x = 12,278,171,646.14/132,768.39
  6. Step 6: Final answer
    x = 92,478.12

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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.