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Finding the Fourth Proportional to 127,284.59, 175,684.49 and 73,600.56

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Solution

The fourth proportional to 127,284.59, 175,684.49 and 73,600.56 is: 101,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,284.59 : 175,684.49 = 73,600.56 : x
  2. Step 2: Convert to fraction form
    127,284.59/175,684.49 = 73,600.56/x
  3. Step 3: Cross multiply
    127,284.59x = 175,684.49 × 73,600.56
  4. Step 4: Simplify right side
    127,284.59x = 12,930,476,847.31
  5. Step 5: Solve for x
    x = 12,930,476,847.31/127,284.59
  6. Step 6: Final answer
    x = 101,587.14

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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.