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Finding the Fourth Proportional to 200,731.80, 301,097.70 and 67,567.80

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Solution

The fourth proportional to 200,731.80, 301,097.70 and 67,567.80 is: 101,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,731.80 : 301,097.70 = 67,567.80 : x
  2. Step 2: Convert to fraction form
    200,731.80/301,097.70 = 67,567.80/x
  3. Step 3: Cross multiply
    200,731.80x = 301,097.70 × 67,567.80
  4. Step 4: Simplify right side
    200,731.80x = 20,344,509,174.06
  5. Step 5: Solve for x
    x = 20,344,509,174.06/200,731.80
  6. Step 6: Final answer
    x = 101,351.70

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1.5x scale

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.