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Finding the Fourth Proportional to 127,454.77, 175,867.88 and 73,744.80

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Solution

The fourth proportional to 127,454.77, 175,867.88 and 73,744.80 is: 101,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,454.77 : 175,867.88 = 73,744.80 : x
  2. Step 2: Convert to fraction form
    127,454.77/175,867.88 = 73,744.80/x
  3. Step 3: Cross multiply
    127,454.77x = 175,867.88 × 73,744.80
  4. Step 4: Simplify right side
    127,454.77x = 12,969,341,637.02
  5. Step 5: Solve for x
    x = 12,969,341,637.02/127,454.77
  6. Step 6: Final answer
    x = 101,756.42

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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.