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Finding the Fourth Proportional to 242,849.76, 335,156.56 and 147,348.96

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Solution

The fourth proportional to 242,849.76, 335,156.56 and 147,348.96 is: 203,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,849.76 : 335,156.56 = 147,348.96 : x
  2. Step 2: Convert to fraction form
    242,849.76/335,156.56 = 147,348.96/x
  3. Step 3: Cross multiply
    242,849.76x = 335,156.56 × 147,348.96
  4. Step 4: Simplify right side
    242,849.76x = 49,384,970,553.18
  5. Step 5: Solve for x
    x = 49,384,970,553.18/242,849.76
  6. Step 6: Final answer
    x = 203,356.06

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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.