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Finding the Fourth Proportional to 187,291.94, 280,879.35 and 62,603.78

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Solution

The fourth proportional to 187,291.94, 280,879.35 and 62,603.78 is: 93,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.94 : 280,879.35 = 62,603.78 : x
  2. Step 2: Convert to fraction form
    187,291.94/280,879.35 = 62,603.78/x
  3. Step 3: Cross multiply
    187,291.94x = 280,879.35 × 62,603.78
  4. Step 4: Simplify right side
    187,291.94x = 17,584,109,033.94
  5. Step 5: Solve for x
    x = 17,584,109,033.94/187,291.94
  6. Step 6: Final answer
    x = 93,886.10

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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.