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Finding the Fourth Proportional to 71,065.56, 106,696.62 and 36,029.64

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Solution

The fourth proportional to 71,065.56, 106,696.62 and 36,029.64 is: 54,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,065.56 : 106,696.62 = 36,029.64 : x
  2. Step 2: Convert to fraction form
    71,065.56/106,696.62 = 36,029.64/x
  3. Step 3: Cross multiply
    71,065.56x = 106,696.62 × 36,029.64
  4. Step 4: Simplify right side
    71,065.56x = 3,844,240,807.82
  5. Step 5: Solve for x
    x = 3,844,240,807.82/71,065.56
  6. Step 6: Final answer
    x = 54,094.29

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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.