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Finding the Fourth Proportional to 74,169.01, 111,253.51 and 49,257.71

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Solution

The fourth proportional to 74,169.01, 111,253.51 and 49,257.71 is: 73,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.01 : 111,253.51 = 49,257.71 : x
  2. Step 2: Convert to fraction form
    74,169.01/111,253.51 = 49,257.71/x
  3. Step 3: Cross multiply
    74,169.01x = 111,253.51 × 49,257.71
  4. Step 4: Simplify right side
    74,169.01x = 5,480,092,885.77
  5. Step 5: Solve for x
    x = 5,480,092,885.77/74,169.01
  6. Step 6: Final answer
    x = 73,886.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.