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Finding the Fourth Proportional to 246,648.51, 369,983.09 and 78,165.14

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Solution

The fourth proportional to 246,648.51, 369,983.09 and 78,165.14 is: 117,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,648.51 : 369,983.09 = 78,165.14 : x
  2. Step 2: Convert to fraction form
    246,648.51/369,983.09 = 78,165.14/x
  3. Step 3: Cross multiply
    246,648.51x = 369,983.09 × 78,165.14
  4. Step 4: Simplify right side
    246,648.51x = 28,919,778,372.98
  5. Step 5: Solve for x
    x = 28,919,778,372.98/246,648.51
  6. Step 6: Final answer
    x = 117,250.98

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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.