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Finding the Fourth Proportional to 75,323.52, 103,947.12 and 43,497.84

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Solution

The fourth proportional to 75,323.52, 103,947.12 and 43,497.84 is: 60,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.52 : 103,947.12 = 43,497.84 : x
  2. Step 2: Convert to fraction form
    75,323.52/103,947.12 = 43,497.84/x
  3. Step 3: Cross multiply
    75,323.52x = 103,947.12 × 43,497.84
  4. Step 4: Simplify right side
    75,323.52x = 4,521,475,194.22
  5. Step 5: Solve for x
    x = 4,521,475,194.22/75,323.52
  6. Step 6: Final answer
    x = 60,027.40

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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.