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Finding the Fourth Proportional to 131,702.34, 197,381.22 and 52,871.88

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Solution

The fourth proportional to 131,702.34, 197,381.22 and 52,871.88 is: 79,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,702.34 : 197,381.22 = 52,871.88 : x
  2. Step 2: Convert to fraction form
    131,702.34/197,381.22 = 52,871.88/x
  3. Step 3: Cross multiply
    131,702.34x = 197,381.22 × 52,871.88
  4. Step 4: Simplify right side
    131,702.34x = 10,435,916,178.09
  5. Step 5: Solve for x
    x = 10,435,916,178.09/131,702.34
  6. Step 6: Final answer
    x = 79,238.65

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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.