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Finding the Fourth Proportional to 273,876.48, 377,911.96 and 153,002.74

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Solution

The fourth proportional to 273,876.48, 377,911.96 and 153,002.74 is: 211,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,876.48 : 377,911.96 = 153,002.74 : x
  2. Step 2: Convert to fraction form
    273,876.48/377,911.96 = 153,002.74/x
  3. Step 3: Cross multiply
    273,876.48x = 377,911.96 × 153,002.74
  4. Step 4: Simplify right side
    273,876.48x = 57,821,565,358.77
  5. Step 5: Solve for x
    x = 57,821,565,358.77/273,876.48
  6. Step 6: Final answer
    x = 211,122.79

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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.