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Finding the Fourth Proportional to 101,291.56, 151,963.74 and 56,951.08

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Solution

The fourth proportional to 101,291.56, 151,963.74 and 56,951.08 is: 85,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,291.56 : 151,963.74 = 56,951.08 : x
  2. Step 2: Convert to fraction form
    101,291.56/151,963.74 = 56,951.08/x
  3. Step 3: Cross multiply
    101,291.56x = 151,963.74 × 56,951.08
  4. Step 4: Simplify right side
    101,291.56x = 8,654,499,113.84
  5. Step 5: Solve for x
    x = 8,654,499,113.84/101,291.56
  6. Step 6: Final answer
    x = 85,441.46

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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.