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Finding the Fourth Proportional to 73,475.70, 110,244.75 and 40,156.84

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Solution

The fourth proportional to 73,475.70, 110,244.75 and 40,156.84 is: 60,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,475.70 : 110,244.75 = 40,156.84 : x
  2. Step 2: Convert to fraction form
    73,475.70/110,244.75 = 40,156.84/x
  3. Step 3: Cross multiply
    73,475.70x = 110,244.75 × 40,156.84
  4. Step 4: Simplify right side
    73,475.70x = 4,427,080,799.37
  5. Step 5: Solve for x
    x = 4,427,080,799.37/73,475.70
  6. Step 6: Final answer
    x = 60,252.31

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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.