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Finding the Fourth Proportional to 99,512.37, 137,327.13 and 54,800.37

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Solution

The fourth proportional to 99,512.37, 137,327.13 and 54,800.37 is: 75,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,512.37 : 137,327.13 = 54,800.37 : x
  2. Step 2: Convert to fraction form
    99,512.37/137,327.13 = 54,800.37/x
  3. Step 3: Cross multiply
    99,512.37x = 137,327.13 × 54,800.37
  4. Step 4: Simplify right side
    99,512.37x = 7,525,577,535.04
  5. Step 5: Solve for x
    x = 7,525,577,535.04/99,512.37
  6. Step 6: Final answer
    x = 75,624.54

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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.