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Finding the Fourth Proportional to 273,776.66, 410,922.61 and 138,937.55

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Solution

The fourth proportional to 273,776.66, 410,922.61 and 138,937.55 is: 208,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,776.66 : 410,922.61 = 138,937.55 : x
  2. Step 2: Convert to fraction form
    273,776.66/410,922.61 = 138,937.55/x
  3. Step 3: Cross multiply
    273,776.66x = 410,922.61 × 138,937.55
  4. Step 4: Simplify right side
    273,776.66x = 57,092,578,618.39
  5. Step 5: Solve for x
    x = 57,092,578,618.39/273,776.66
  6. Step 6: Final answer
    x = 208,537.06

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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.