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Finding the Fourth Proportional to 246,511.57, 369,822.73 and 78,042.01

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Solution

The fourth proportional to 246,511.57, 369,822.73 and 78,042.01 is: 117,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,511.57 : 369,822.73 = 78,042.01 : x
  2. Step 2: Convert to fraction form
    246,511.57/369,822.73 = 78,042.01/x
  3. Step 3: Cross multiply
    246,511.57x = 369,822.73 × 78,042.01
  4. Step 4: Simplify right side
    246,511.57x = 28,861,709,192.89
  5. Step 5: Solve for x
    x = 28,861,709,192.89/246,511.57
  6. Step 6: Final answer
    x = 117,080.55

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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.