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Finding the Fourth Proportional to 185,922.04, 278,926.78 and 61,263

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Solution

The fourth proportional to 185,922.04, 278,926.78 and 61,263 is: 91,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922.04 : 278,926.78 = 61,263 : x
  2. Step 2: Convert to fraction form
    185,922.04/278,926.78 = 61,263/x
  3. Step 3: Cross multiply
    185,922.04x = 278,926.78 × 61,263
  4. Step 4: Simplify right side
    185,922.04x = 17,087,891,323.14
  5. Step 5: Solve for x
    x = 17,087,891,323.14/185,922.04
  6. Step 6: Final answer
    x = 91,908.91

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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.