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Finding the Fourth Proportional to 71,130.84, 106,763.22 and 36,095.64

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Solution

The fourth proportional to 71,130.84, 106,763.22 and 36,095.64 is: 54,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130.84 : 106,763.22 = 36,095.64 : x
  2. Step 2: Convert to fraction form
    71,130.84/106,763.22 = 36,095.64/x
  3. Step 3: Cross multiply
    71,130.84x = 106,763.22 × 36,095.64
  4. Step 4: Simplify right side
    71,130.84x = 3,853,686,754.36
  5. Step 5: Solve for x
    x = 3,853,686,754.36/71,130.84
  6. Step 6: Final answer
    x = 54,177.44

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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.