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Finding the Fourth Proportional to 273,900.42, 410,894.78 and 84,360.74

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Solution

The fourth proportional to 273,900.42, 410,894.78 and 84,360.74 is: 126,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,900.42 : 410,894.78 = 84,360.74 : x
  2. Step 2: Convert to fraction form
    273,900.42/410,894.78 = 84,360.74/x
  3. Step 3: Cross multiply
    273,900.42x = 410,894.78 × 84,360.74
  4. Step 4: Simplify right side
    273,900.42x = 34,663,385,226.66
  5. Step 5: Solve for x
    x = 34,663,385,226.66/273,900.42
  6. Step 6: Final answer
    x = 126,554.70

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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.