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Finding the Fourth Proportional to 67,518.72, 101,201.76 and 41,165.64

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Solution

The fourth proportional to 67,518.72, 101,201.76 and 41,165.64 is: 61,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,518.72 : 101,201.76 = 41,165.64 : x
  2. Step 2: Convert to fraction form
    67,518.72/101,201.76 = 41,165.64/x
  3. Step 3: Cross multiply
    67,518.72x = 101,201.76 × 41,165.64
  4. Step 4: Simplify right side
    67,518.72x = 4,166,035,219.53
  5. Step 5: Solve for x
    x = 4,166,035,219.53/67,518.72
  6. Step 6: Final answer
    x = 61,701.93

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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.