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Finding the Fourth Proportional to 75,993.56, 104,867.84 and 42,000.29

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Solution

The fourth proportional to 75,993.56, 104,867.84 and 42,000.29 is: 57,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,993.56 : 104,867.84 = 42,000.29 : x
  2. Step 2: Convert to fraction form
    75,993.56/104,867.84 = 42,000.29/x
  3. Step 3: Cross multiply
    75,993.56x = 104,867.84 × 42,000.29
  4. Step 4: Simplify right side
    75,993.56x = 4,404,478,957.33
  5. Step 5: Solve for x
    x = 4,404,478,957.33/75,993.56
  6. Step 6: Final answer
    x = 57,958.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.