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Finding the Fourth Proportional to 94,753.38, 130,758.86 and 52,311

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Solution

The fourth proportional to 94,753.38, 130,758.86 and 52,311 is: 72,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,753.38 : 130,758.86 = 52,311 : x
  2. Step 2: Convert to fraction form
    94,753.38/130,758.86 = 52,311/x
  3. Step 3: Cross multiply
    94,753.38x = 130,758.86 × 52,311
  4. Step 4: Simplify right side
    94,753.38x = 6,840,126,725.46
  5. Step 5: Solve for x
    x = 6,840,126,725.46/94,753.38
  6. Step 6: Final answer
    x = 72,188.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.