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Finding the Fourth Proportional to 73,120.44, 100,908.54 and 44,854.68

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Solution

The fourth proportional to 73,120.44, 100,908.54 and 44,854.68 is: 61,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.44 : 100,908.54 = 44,854.68 : x
  2. Step 2: Convert to fraction form
    73,120.44/100,908.54 = 44,854.68/x
  3. Step 3: Cross multiply
    73,120.44x = 100,908.54 × 44,854.68
  4. Step 4: Simplify right side
    73,120.44x = 4,526,220,270.97
  5. Step 5: Solve for x
    x = 4,526,220,270.97/73,120.44
  6. Step 6: Final answer
    x = 61,900.89

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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.