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Finding the Fourth Proportional to 267,020.15, 368,488.35 and 146,169.15

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Solution

The fourth proportional to 267,020.15, 368,488.35 and 146,169.15 is: 201,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,020.15 : 368,488.35 = 146,169.15 : x
  2. Step 2: Convert to fraction form
    267,020.15/368,488.35 = 146,169.15/x
  3. Step 3: Cross multiply
    267,020.15x = 368,488.35 × 146,169.15
  4. Step 4: Simplify right side
    267,020.15x = 53,861,628,904.40
  5. Step 5: Solve for x
    x = 53,861,628,904.40/267,020.15
  6. Step 6: Final answer
    x = 201,713.73

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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.