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Finding the Fourth Proportional to 276,067.08, 414,100.08 and 76,386.92

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Solution

The fourth proportional to 276,067.08, 414,100.08 and 76,386.92 is: 114,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,067.08 : 414,100.08 = 76,386.92 : x
  2. Step 2: Convert to fraction form
    276,067.08/414,100.08 = 76,386.92/x
  3. Step 3: Cross multiply
    276,067.08x = 414,100.08 × 76,386.92
  4. Step 4: Simplify right side
    276,067.08x = 31,631,827,612.45
  5. Step 5: Solve for x
    x = 31,631,827,612.45/276,067.08
  6. Step 6: Final answer
    x = 114,580.22

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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.