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Finding the Fourth Proportional to 101,463.62, 140,041.86 and 59,027.72

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Solution

The fourth proportional to 101,463.62, 140,041.86 and 59,027.72 is: 81,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,463.62 : 140,041.86 = 59,027.72 : x
  2. Step 2: Convert to fraction form
    101,463.62/140,041.86 = 59,027.72/x
  3. Step 3: Cross multiply
    101,463.62x = 140,041.86 × 59,027.72
  4. Step 4: Simplify right side
    101,463.62x = 8,266,351,700.36
  5. Step 5: Solve for x
    x = 8,266,351,700.36/101,463.62
  6. Step 6: Final answer
    x = 81,471.09

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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.