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Finding the Fourth Proportional to 298,892.97, 448,241.94 and 99,159.73

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Solution

The fourth proportional to 298,892.97, 448,241.94 and 99,159.73 is: 148,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,892.97 : 448,241.94 = 99,159.73 : x
  2. Step 2: Convert to fraction form
    298,892.97/448,241.94 = 99,159.73/x
  3. Step 3: Cross multiply
    298,892.97x = 448,241.94 × 99,159.73
  4. Step 4: Simplify right side
    298,892.97x = 44,447,548,624.47
  5. Step 5: Solve for x
    x = 44,447,548,624.47/298,892.97
  6. Step 6: Final answer
    x = 148,707.24

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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.