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Finding the Fourth Proportional to 273,122.39, 409,702.04 and 130,998.83

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Solution

The fourth proportional to 273,122.39, 409,702.04 and 130,998.83 is: 196,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,122.39 : 409,702.04 = 130,998.83 : x
  2. Step 2: Convert to fraction form
    273,122.39/409,702.04 = 130,998.83/x
  3. Step 3: Cross multiply
    273,122.39x = 409,702.04 × 130,998.83
  4. Step 4: Simplify right side
    273,122.39x = 53,670,487,888.61
  5. Step 5: Solve for x
    x = 53,670,487,888.61/273,122.39
  6. Step 6: Final answer
    x = 196,507.10

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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.