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Finding the Fourth Proportional to 73,227.94, 100,979.13 and 62,652.58

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Solution

The fourth proportional to 73,227.94, 100,979.13 and 62,652.58 is: 86,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,227.94 : 100,979.13 = 62,652.58 : x
  2. Step 2: Convert to fraction form
    73,227.94/100,979.13 = 62,652.58/x
  3. Step 3: Cross multiply
    73,227.94x = 100,979.13 × 62,652.58
  4. Step 4: Simplify right side
    73,227.94x = 6,326,603,020.66
  5. Step 5: Solve for x
    x = 6,326,603,020.66/73,227.94
  6. Step 6: Final answer
    x = 86,396.03

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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.