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Finding the Fourth Proportional to 246,497.78, 340,166.88 and 133,320.50

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Solution

The fourth proportional to 246,497.78, 340,166.88 and 133,320.50 is: 183,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,497.78 : 340,166.88 = 133,320.50 : x
  2. Step 2: Convert to fraction form
    246,497.78/340,166.88 = 133,320.50/x
  3. Step 3: Cross multiply
    246,497.78x = 340,166.88 × 133,320.50
  4. Step 4: Simplify right side
    246,497.78x = 45,351,218,525.04
  5. Step 5: Solve for x
    x = 45,351,218,525.04/246,497.78
  6. Step 6: Final answer
    x = 183,982.26

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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.