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Finding the Fourth Proportional to 65,662.42, 98,400.41 and 50,612.66

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Solution

The fourth proportional to 65,662.42, 98,400.41 and 50,612.66 is: 75,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,662.42 : 98,400.41 = 50,612.66 : x
  2. Step 2: Convert to fraction form
    65,662.42/98,400.41 = 50,612.66/x
  3. Step 3: Cross multiply
    65,662.42x = 98,400.41 × 50,612.66
  4. Step 4: Simplify right side
    65,662.42x = 4,980,306,495.19
  5. Step 5: Solve for x
    x = 4,980,306,495.19/65,662.42
  6. Step 6: Final answer
    x = 75,847.14

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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.