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Finding the Fourth Proportional to 246,054.72, 368,950.86 and 127,431.84

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Solution

The fourth proportional to 246,054.72, 368,950.86 and 127,431.84 is: 191,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,054.72 : 368,950.86 = 127,431.84 : x
  2. Step 2: Convert to fraction form
    246,054.72/368,950.86 = 127,431.84/x
  3. Step 3: Cross multiply
    246,054.72x = 368,950.86 × 127,431.84
  4. Step 4: Simplify right side
    246,054.72x = 47,016,086,959.38
  5. Step 5: Solve for x
    x = 47,016,086,959.38/246,054.72
  6. Step 6: Final answer
    x = 191,079.80

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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.