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Finding the Fourth Proportional to 73,476.79, 110,246.39 and 40,157.92

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Solution

The fourth proportional to 73,476.79, 110,246.39 and 40,157.92 is: 60,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,476.79 : 110,246.39 = 40,157.92 : x
  2. Step 2: Convert to fraction form
    73,476.79/110,246.39 = 40,157.92/x
  3. Step 3: Cross multiply
    73,476.79x = 110,246.39 × 40,157.92
  4. Step 4: Simplify right side
    73,476.79x = 4,427,265,709.91
  5. Step 5: Solve for x
    x = 4,427,265,709.91/73,476.79
  6. Step 6: Final answer
    x = 60,253.93

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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.