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Finding the Fourth Proportional to 73,179.66, 100,884.51 and 51,951.18

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Solution

The fourth proportional to 73,179.66, 100,884.51 and 51,951.18 is: 71,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.66 : 100,884.51 = 51,951.18 : x
  2. Step 2: Convert to fraction form
    73,179.66/100,884.51 = 51,951.18/x
  3. Step 3: Cross multiply
    73,179.66x = 100,884.51 × 51,951.18
  4. Step 4: Simplify right side
    73,179.66x = 5,241,069,338.22
  5. Step 5: Solve for x
    x = 5,241,069,338.22/73,179.66
  6. Step 6: Final answer
    x = 71,619.21

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1.5x scale

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.