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Finding the Fourth Proportional to 72,259.14, 108,248.43 and 53,249.27

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Solution

The fourth proportional to 72,259.14, 108,248.43 and 53,249.27 is: 79,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,259.14 : 108,248.43 = 53,249.27 : x
  2. Step 2: Convert to fraction form
    72,259.14/108,248.43 = 53,249.27/x
  3. Step 3: Cross multiply
    72,259.14x = 108,248.43 × 53,249.27
  4. Step 4: Simplify right side
    72,259.14x = 5,764,149,334.90
  5. Step 5: Solve for x
    x = 5,764,149,334.90/72,259.14
  6. Step 6: Final answer
    x = 79,770.53

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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.