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Finding the Fourth Proportional to 273,882.48, 377,920.24 and 153,008.76

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Solution

The fourth proportional to 273,882.48, 377,920.24 and 153,008.76 is: 211,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,882.48 : 377,920.24 = 153,008.76 : x
  2. Step 2: Convert to fraction form
    273,882.48/377,920.24 = 153,008.76/x
  3. Step 3: Cross multiply
    273,882.48x = 377,920.24 × 153,008.76
  4. Step 4: Simplify right side
    273,882.48x = 57,825,107,301.30
  5. Step 5: Solve for x
    x = 57,825,107,301.30/273,882.48
  6. Step 6: Final answer
    x = 211,131.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.