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Finding the Fourth Proportional to 581,143.95, 871,735.38 and 202,067.95

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Solution

The fourth proportional to 581,143.95, 871,735.38 and 202,067.95 is: 303,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,143.95 : 871,735.38 = 202,067.95 : x
  2. Step 2: Convert to fraction form
    581,143.95/871,735.38 = 202,067.95/x
  3. Step 3: Cross multiply
    581,143.95x = 871,735.38 × 202,067.95
  4. Step 4: Simplify right side
    581,143.95x = 176,149,781,179.07
  5. Step 5: Solve for x
    x = 176,149,781,179.07/581,143.95
  6. Step 6: Final answer
    x = 303,108.69

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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.