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Finding the Fourth Proportional to 88,580.56, 122,241.16 and 48,836.56

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Solution

The fourth proportional to 88,580.56, 122,241.16 and 48,836.56 is: 67,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.56 : 122,241.16 = 48,836.56 : x
  2. Step 2: Convert to fraction form
    88,580.56/122,241.16 = 48,836.56/x
  3. Step 3: Cross multiply
    88,580.56x = 122,241.16 × 48,836.56
  4. Step 4: Simplify right side
    88,580.56x = 5,969,837,744.81
  5. Step 5: Solve for x
    x = 5,969,837,744.81/88,580.56
  6. Step 6: Final answer
    x = 67,394.45

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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.