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Finding the Fourth Proportional to 101,290.56, 151,962.24 and 56,950.08

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Solution

The fourth proportional to 101,290.56, 151,962.24 and 56,950.08 is: 85,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,290.56 : 151,962.24 = 56,950.08 : x
  2. Step 2: Convert to fraction form
    101,290.56/151,962.24 = 56,950.08/x
  3. Step 3: Cross multiply
    101,290.56x = 151,962.24 × 56,950.08
  4. Step 4: Simplify right side
    101,290.56x = 8,654,261,724.98
  5. Step 5: Solve for x
    x = 8,654,261,724.98/101,290.56
  6. Step 6: Final answer
    x = 85,439.96

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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.