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Finding the Fourth Proportional to 246,592.89, 369,858.17 and 78,130.31

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Solution

The fourth proportional to 246,592.89, 369,858.17 and 78,130.31 is: 117,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,592.89 : 369,858.17 = 78,130.31 : x
  2. Step 2: Convert to fraction form
    246,592.89/369,858.17 = 78,130.31/x
  3. Step 3: Cross multiply
    246,592.89x = 369,858.17 × 78,130.31
  4. Step 4: Simplify right side
    246,592.89x = 28,897,131,238.19
  5. Step 5: Solve for x
    x = 28,897,131,238.19/246,592.89
  6. Step 6: Final answer
    x = 117,185.58

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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.