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Finding the Fourth Proportional to 246,432, 340,076.28 and 133,254.72

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Solution

The fourth proportional to 246,432, 340,076.28 and 133,254.72 is: 183,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,432 : 340,076.28 = 133,254.72 : x
  2. Step 2: Convert to fraction form
    246,432/340,076.28 = 133,254.72/x
  3. Step 3: Cross multiply
    246,432x = 340,076.28 × 133,254.72
  4. Step 4: Simplify right side
    246,432x = 45,316,769,470.04
  5. Step 5: Solve for x
    x = 45,316,769,470.04/246,432
  6. Step 6: Final answer
    x = 183,891.58

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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.