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Finding the Fourth Proportional to 73,827.50, 101,882.04 and 40,293.50

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Solution

The fourth proportional to 73,827.50, 101,882.04 and 40,293.50 is: 55,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,827.50 : 101,882.04 = 40,293.50 : x
  2. Step 2: Convert to fraction form
    73,827.50/101,882.04 = 40,293.50/x
  3. Step 3: Cross multiply
    73,827.50x = 101,882.04 × 40,293.50
  4. Step 4: Simplify right side
    73,827.50x = 4,105,183,978.74
  5. Step 5: Solve for x
    x = 4,105,183,978.74/73,827.50
  6. Step 6: Final answer
    x = 55,605.08

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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.