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Finding the Fourth Proportional to 74,933.84, 103,408.62 and 43,101.92

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Solution

The fourth proportional to 74,933.84, 103,408.62 and 43,101.92 is: 59,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.84 : 103,408.62 = 43,101.92 : x
  2. Step 2: Convert to fraction form
    74,933.84/103,408.62 = 43,101.92/x
  3. Step 3: Cross multiply
    74,933.84x = 103,408.62 × 43,101.92
  4. Step 4: Simplify right side
    74,933.84x = 4,457,110,066.55
  5. Step 5: Solve for x
    x = 4,457,110,066.55/74,933.84
  6. Step 6: Final answer
    x = 59,480.60

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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.