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Finding the Fourth Proportional to 363,849.76, 545,736.48 and 97,637.56

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Solution

The fourth proportional to 363,849.76, 545,736.48 and 97,637.56 is: 146,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,849.76 : 545,736.48 = 97,637.56 : x
  2. Step 2: Convert to fraction form
    363,849.76/545,736.48 = 97,637.56/x
  3. Step 3: Cross multiply
    363,849.76x = 545,736.48 × 97,637.56
  4. Step 4: Simplify right side
    363,849.76x = 53,284,378,310.19
  5. Step 5: Solve for x
    x = 53,284,378,310.19/363,849.76
  6. Step 6: Final answer
    x = 146,446.10

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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.