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Finding the Fourth Proportional to 73,233.10, 109,849.65 and 65,629.90

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Solution

The fourth proportional to 73,233.10, 109,849.65 and 65,629.90 is: 98,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.10 : 109,849.65 = 65,629.90 : x
  2. Step 2: Convert to fraction form
    73,233.10/109,849.65 = 65,629.90/x
  3. Step 3: Cross multiply
    73,233.10x = 109,849.65 × 65,629.90
  4. Step 4: Simplify right side
    73,233.10x = 7,209,421,544.54
  5. Step 5: Solve for x
    x = 7,209,421,544.54/73,233.10
  6. Step 6: Final answer
    x = 98,444.85

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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.