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Finding the Fourth Proportional to 251,453.57, 377,233.20 and 73,945.71

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Solution

The fourth proportional to 251,453.57, 377,233.20 and 73,945.71 is: 110,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,453.57 : 377,233.20 = 73,945.71 : x
  2. Step 2: Convert to fraction form
    251,453.57/377,233.20 = 73,945.71/x
  3. Step 3: Cross multiply
    251,453.57x = 377,233.20 × 73,945.71
  4. Step 4: Simplify right side
    251,453.57x = 27,894,776,809.57
  5. Step 5: Solve for x
    x = 27,894,776,809.57/251,453.57
  6. Step 6: Final answer
    x = 110,934.11

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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.