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Finding the Fourth Proportional to 75,189.44, 103,766.36 and 43,360.38

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Solution

The fourth proportional to 75,189.44, 103,766.36 and 43,360.38 is: 59,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,189.44 : 103,766.36 = 43,360.38 : x
  2. Step 2: Convert to fraction form
    75,189.44/103,766.36 = 43,360.38/x
  3. Step 3: Cross multiply
    75,189.44x = 103,766.36 × 43,360.38
  4. Step 4: Simplify right side
    75,189.44x = 4,499,348,584.01
  5. Step 5: Solve for x
    x = 4,499,348,584.01/75,189.44
  6. Step 6: Final answer
    x = 59,840.17

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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.