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Finding the Fourth Proportional to 70,790.08, 106,250.76 and 35,754.32

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Solution

The fourth proportional to 70,790.08, 106,250.76 and 35,754.32 is: 53,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.08 : 106,250.76 = 35,754.32 : x
  2. Step 2: Convert to fraction form
    70,790.08/106,250.76 = 35,754.32/x
  3. Step 3: Cross multiply
    70,790.08x = 106,250.76 × 35,754.32
  4. Step 4: Simplify right side
    70,790.08x = 3,798,923,673.28
  5. Step 5: Solve for x
    x = 3,798,923,673.28/70,790.08
  6. Step 6: Final answer
    x = 53,664.63

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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.