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Finding the Fourth Proportional to 74,773, 103,188.90 and 41,241.16

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Solution

The fourth proportional to 74,773, 103,188.90 and 41,241.16 is: 56,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773 : 103,188.90 = 41,241.16 : x
  2. Step 2: Convert to fraction form
    74,773/103,188.90 = 41,241.16/x
  3. Step 3: Cross multiply
    74,773x = 103,188.90 × 41,241.16
  4. Step 4: Simplify right side
    74,773x = 4,255,629,935.12
  5. Step 5: Solve for x
    x = 4,255,629,935.12/74,773
  6. Step 6: Final answer
    x = 56,913.99

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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.