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Finding the Fourth Proportional to 103,353.77, 155,046.90 and 44,189.75

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Solution

The fourth proportional to 103,353.77, 155,046.90 and 44,189.75 is: 66,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,353.77 : 155,046.90 = 44,189.75 : x
  2. Step 2: Convert to fraction form
    103,353.77/155,046.90 = 44,189.75/x
  3. Step 3: Cross multiply
    103,353.77x = 155,046.90 × 44,189.75
  4. Step 4: Simplify right side
    103,353.77x = 6,851,483,749.28
  5. Step 5: Solve for x
    x = 6,851,483,749.28/103,353.77
  6. Step 6: Final answer
    x = 66,291.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.