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Finding the Fourth Proportional to 72,174.87, 108,235.37 and 24,776.54

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Solution

The fourth proportional to 72,174.87, 108,235.37 and 24,776.54 is: 37,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,174.87 : 108,235.37 = 24,776.54 : x
  2. Step 2: Convert to fraction form
    72,174.87/108,235.37 = 24,776.54/x
  3. Step 3: Cross multiply
    72,174.87x = 108,235.37 × 24,776.54
  4. Step 4: Simplify right side
    72,174.87x = 2,681,697,309.16
  5. Step 5: Solve for x
    x = 2,681,697,309.16/72,174.87
  6. Step 6: Final answer
    x = 37,155.55

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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.