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Finding the Fourth Proportional to 67,246.44, 100,588.73 and 47,254.53

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Solution

The fourth proportional to 67,246.44, 100,588.73 and 47,254.53 is: 70,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.44 : 100,588.73 = 47,254.53 : x
  2. Step 2: Convert to fraction form
    67,246.44/100,588.73 = 47,254.53/x
  3. Step 3: Cross multiply
    67,246.44x = 100,588.73 × 47,254.53
  4. Step 4: Simplify right side
    67,246.44x = 4,753,272,923.17
  5. Step 5: Solve for x
    x = 4,753,272,923.17/67,246.44
  6. Step 6: Final answer
    x = 70,684.38

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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.