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Finding the Fourth Proportional to 73,444.86, 110,164.73 and 20,854.22

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Solution

The fourth proportional to 73,444.86, 110,164.73 and 20,854.22 is: 31,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,444.86 : 110,164.73 = 20,854.22 : x
  2. Step 2: Convert to fraction form
    73,444.86/110,164.73 = 20,854.22/x
  3. Step 3: Cross multiply
    73,444.86x = 110,164.73 × 20,854.22
  4. Step 4: Simplify right side
    73,444.86x = 2,297,398,860.57
  5. Step 5: Solve for x
    x = 2,297,398,860.57/73,444.86
  6. Step 6: Final answer
    x = 31,280.59

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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.