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Finding the Fourth Proportional to 109,791.36, 151,512.84 and 59,490.36

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Solution

The fourth proportional to 109,791.36, 151,512.84 and 59,490.36 is: 82,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,791.36 : 151,512.84 = 59,490.36 : x
  2. Step 2: Convert to fraction form
    109,791.36/151,512.84 = 59,490.36/x
  3. Step 3: Cross multiply
    109,791.36x = 151,512.84 × 59,490.36
  4. Step 4: Simplify right side
    109,791.36x = 9,013,553,396.22
  5. Step 5: Solve for x
    x = 9,013,553,396.22/109,791.36
  6. Step 6: Final answer
    x = 82,097.11

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1.5x scale

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.