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Finding the Fourth Proportional to 134,062.39, 200,787.27 and 63,990.91

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Solution

The fourth proportional to 134,062.39, 200,787.27 and 63,990.91 is: 95,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,062.39 : 200,787.27 = 63,990.91 : x
  2. Step 2: Convert to fraction form
    134,062.39/200,787.27 = 63,990.91/x
  3. Step 3: Cross multiply
    134,062.39x = 200,787.27 × 63,990.91
  4. Step 4: Simplify right side
    134,062.39x = 12,848,559,119.78
  5. Step 5: Solve for x
    x = 12,848,559,119.78/134,062.39
  6. Step 6: Final answer
    x = 95,840.15

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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.