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Finding the Fourth Proportional to 71,583.40, 107,375.10 and 71,583.40

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Solution

The fourth proportional to 71,583.40, 107,375.10 and 71,583.40 is: 107,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,583.40 : 107,375.10 = 71,583.40 : x
  2. Step 2: Convert to fraction form
    71,583.40/107,375.10 = 71,583.40/x
  3. Step 3: Cross multiply
    71,583.40x = 107,375.10 × 71,583.40
  4. Step 4: Simplify right side
    71,583.40x = 7,686,274,733.34
  5. Step 5: Solve for x
    x = 7,686,274,733.34/71,583.40
  6. Step 6: Final answer
    x = 107,375.10

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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.