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Finding the Fourth Proportional to 251,438.88, 377,218.40 and 73,951.68

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Solution

The fourth proportional to 251,438.88, 377,218.40 and 73,951.68 is: 110,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,438.88 : 377,218.40 = 73,951.68 : x
  2. Step 2: Convert to fraction form
    251,438.88/377,218.40 = 73,951.68/x
  3. Step 3: Cross multiply
    251,438.88x = 377,218.40 × 73,951.68
  4. Step 4: Simplify right side
    251,438.88x = 27,895,934,406.91
  5. Step 5: Solve for x
    x = 27,895,934,406.91/251,438.88
  6. Step 6: Final answer
    x = 110,945.19

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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.