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Finding the Fourth Proportional to 246,399.31, 369,644.55 and 77,962.03

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Solution

The fourth proportional to 246,399.31, 369,644.55 and 77,962.03 is: 116,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,399.31 : 369,644.55 = 77,962.03 : x
  2. Step 2: Convert to fraction form
    246,399.31/369,644.55 = 77,962.03/x
  3. Step 3: Cross multiply
    246,399.31x = 369,644.55 × 77,962.03
  4. Step 4: Simplify right side
    246,399.31x = 28,818,239,106.63
  5. Step 5: Solve for x
    x = 28,818,239,106.63/246,399.31
  6. Step 6: Final answer
    x = 116,957.47

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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.