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Finding the Fourth Proportional to 75,361.74, 103,992.65 and 41,370.18

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Solution

The fourth proportional to 75,361.74, 103,992.65 and 41,370.18 is: 57,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.74 : 103,992.65 = 41,370.18 : x
  2. Step 2: Convert to fraction form
    75,361.74/103,992.65 = 41,370.18/x
  3. Step 3: Cross multiply
    75,361.74x = 103,992.65 × 41,370.18
  4. Step 4: Simplify right side
    75,361.74x = 4,302,194,588.03
  5. Step 5: Solve for x
    x = 4,302,194,588.03/75,361.74
  6. Step 6: Final answer
    x = 57,087.25

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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.