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Finding the Fourth Proportional to 266,970.93, 400,236.88 and 124,745.86

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Solution

The fourth proportional to 266,970.93, 400,236.88 and 124,745.86 is: 187,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,970.93 : 400,236.88 = 124,745.86 : x
  2. Step 2: Convert to fraction form
    266,970.93/400,236.88 = 124,745.86/x
  3. Step 3: Cross multiply
    266,970.93x = 400,236.88 × 124,745.86
  4. Step 4: Simplify right side
    266,970.93x = 49,927,893,799.32
  5. Step 5: Solve for x
    x = 49,927,893,799.32/266,970.93
  6. Step 6: Final answer
    x = 187,016.22

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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.