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Finding the Fourth Proportional to 125,063, 187,629.64 and 50,235.68

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Solution

The fourth proportional to 125,063, 187,629.64 and 50,235.68 is: 75,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063 : 187,629.64 = 50,235.68 : x
  2. Step 2: Convert to fraction form
    125,063/187,629.64 = 50,235.68/x
  3. Step 3: Cross multiply
    125,063x = 187,629.64 × 50,235.68
  4. Step 4: Simplify right side
    125,063x = 9,425,702,553.56
  5. Step 5: Solve for x
    x = 9,425,702,553.56/125,063
  6. Step 6: Final answer
    x = 75,367.64

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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.