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Finding the Fourth Proportional to 310,534.59, 465,626.91 and 108,037.83

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Solution

The fourth proportional to 310,534.59, 465,626.91 and 108,037.83 is: 161,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,534.59 : 465,626.91 = 108,037.83 : x
  2. Step 2: Convert to fraction form
    310,534.59/465,626.91 = 108,037.83/x
  3. Step 3: Cross multiply
    310,534.59x = 465,626.91 × 108,037.83
  4. Step 4: Simplify right side
    310,534.59x = 50,305,320,946.01
  5. Step 5: Solve for x
    x = 50,305,320,946.01/310,534.59
  6. Step 6: Final answer
    x = 161,995.87

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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.