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Finding the Fourth Proportional to 70,805.08, 106,119.90 and 35,754.76

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Solution

The fourth proportional to 70,805.08, 106,119.90 and 35,754.76 is: 53,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,805.08 : 106,119.90 = 35,754.76 : x
  2. Step 2: Convert to fraction form
    70,805.08/106,119.90 = 35,754.76/x
  3. Step 3: Cross multiply
    70,805.08x = 106,119.90 × 35,754.76
  4. Step 4: Simplify right side
    70,805.08x = 3,794,291,555.72
  5. Step 5: Solve for x
    x = 3,794,291,555.72/70,805.08
  6. Step 6: Final answer
    x = 53,587.84

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1.5x scale

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.