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Finding the Fourth Proportional to 273,514.16, 377,468.52 and 152,679.20

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Solution

The fourth proportional to 273,514.16, 377,468.52 and 152,679.20 is: 210,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,514.16 : 377,468.52 = 152,679.20 : x
  2. Step 2: Convert to fraction form
    273,514.16/377,468.52 = 152,679.20/x
  3. Step 3: Cross multiply
    273,514.16x = 377,468.52 × 152,679.20
  4. Step 4: Simplify right side
    273,514.16x = 57,631,591,658.78
  5. Step 5: Solve for x
    x = 57,631,591,658.78/273,514.16
  6. Step 6: Final answer
    x = 210,707.89

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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.