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Finding the Fourth Proportional to 246,381.98, 340,005.48 and 138,952.94

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Solution

The fourth proportional to 246,381.98, 340,005.48 and 138,952.94 is: 191,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,381.98 : 340,005.48 = 138,952.94 : x
  2. Step 2: Convert to fraction form
    246,381.98/340,005.48 = 138,952.94/x
  3. Step 3: Cross multiply
    246,381.98x = 340,005.48 × 138,952.94
  4. Step 4: Simplify right side
    246,381.98x = 47,244,761,062.11
  5. Step 5: Solve for x
    x = 47,244,761,062.11/246,381.98
  6. Step 6: Final answer
    x = 191,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.