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Finding the Fourth Proportional to 65,499.81, 90,424.14 and 44,102.07

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Solution

The fourth proportional to 65,499.81, 90,424.14 and 44,102.07 is: 60,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499.81 : 90,424.14 = 44,102.07 : x
  2. Step 2: Convert to fraction form
    65,499.81/90,424.14 = 44,102.07/x
  3. Step 3: Cross multiply
    65,499.81x = 90,424.14 × 44,102.07
  4. Step 4: Simplify right side
    65,499.81x = 3,987,891,751.97
  5. Step 5: Solve for x
    x = 3,987,891,751.97/65,499.81
  6. Step 6: Final answer
    x = 60,884.02

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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.