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Finding the Fourth Proportional to 242,305.16, 334,323.99 and 203,689.82

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Solution

The fourth proportional to 242,305.16, 334,323.99 and 203,689.82 is: 281,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,305.16 : 334,323.99 = 203,689.82 : x
  2. Step 2: Convert to fraction form
    242,305.16/334,323.99 = 203,689.82/x
  3. Step 3: Cross multiply
    242,305.16x = 334,323.99 × 203,689.82
  4. Step 4: Simplify right side
    242,305.16x = 68,098,394,180.59
  5. Step 5: Solve for x
    x = 68,098,394,180.59/242,305.16
  6. Step 6: Final answer
    x = 281,043.93

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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.