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Finding the Fourth Proportional to 182,386.64, 251,694.60 and 106,936.40

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Solution

The fourth proportional to 182,386.64, 251,694.60 and 106,936.40 is: 147,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,386.64 : 251,694.60 = 106,936.40 : x
  2. Step 2: Convert to fraction form
    182,386.64/251,694.60 = 106,936.40/x
  3. Step 3: Cross multiply
    182,386.64x = 251,694.60 × 106,936.40
  4. Step 4: Simplify right side
    182,386.64x = 26,915,314,423.44
  5. Step 5: Solve for x
    x = 26,915,314,423.44/182,386.64
  6. Step 6: Final answer
    x = 147,572.84

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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.