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Finding the Fourth Proportional to 277,956.81, 416,613.11 and 127,882.17

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Solution

The fourth proportional to 277,956.81, 416,613.11 and 127,882.17 is: 191,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,956.81 : 416,613.11 = 127,882.17 : x
  2. Step 2: Convert to fraction form
    277,956.81/416,613.11 = 127,882.17/x
  3. Step 3: Cross multiply
    277,956.81x = 416,613.11 × 127,882.17
  4. Step 4: Simplify right side
    277,956.81x = 53,277,387,917.84
  5. Step 5: Solve for x
    x = 53,277,387,917.84/277,956.81
  6. Step 6: Final answer
    x = 191,675.06

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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.