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Finding the Fourth Proportional to 70,895.28, 106,358.04 and 35,375.70

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Solution

The fourth proportional to 70,895.28, 106,358.04 and 35,375.70 is: 53,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.28 : 106,358.04 = 35,375.70 : x
  2. Step 2: Convert to fraction form
    70,895.28/106,358.04 = 35,375.70/x
  3. Step 3: Cross multiply
    70,895.28x = 106,358.04 × 35,375.70
  4. Step 4: Simplify right side
    70,895.28x = 3,762,490,115.63
  5. Step 5: Solve for x
    x = 3,762,490,115.63/70,895.28
  6. Step 6: Final answer
    x = 53,071.09

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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.