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Finding the Fourth Proportional to 69,150.81, 103,793.81 and 35,443.68

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Solution

The fourth proportional to 69,150.81, 103,793.81 and 35,443.68 is: 53,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,150.81 : 103,793.81 = 35,443.68 : x
  2. Step 2: Convert to fraction form
    69,150.81/103,793.81 = 35,443.68/x
  3. Step 3: Cross multiply
    69,150.81x = 103,793.81 × 35,443.68
  4. Step 4: Simplify right side
    69,150.81x = 3,678,834,021.18
  5. Step 5: Solve for x
    x = 3,678,834,021.18/69,150.81
  6. Step 6: Final answer
    x = 53,200.16

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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.