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Finding the Fourth Proportional to 277,653.93, 416,480.92 and 67,291.87

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Solution

The fourth proportional to 277,653.93, 416,480.92 and 67,291.87 is: 100,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,653.93 : 416,480.92 = 67,291.87 : x
  2. Step 2: Convert to fraction form
    277,653.93/416,480.92 = 67,291.87/x
  3. Step 3: Cross multiply
    277,653.93x = 416,480.92 × 67,291.87
  4. Step 4: Simplify right side
    277,653.93x = 28,025,779,589.66
  5. Step 5: Solve for x
    x = 28,025,779,589.66/277,653.93
  6. Step 6: Final answer
    x = 100,937.81

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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.