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Finding the Fourth Proportional to 363,444.95, 545,167.29 and 97,198.54

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Solution

The fourth proportional to 363,444.95, 545,167.29 and 97,198.54 is: 145,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,444.95 : 545,167.29 = 97,198.54 : x
  2. Step 2: Convert to fraction form
    363,444.95/545,167.29 = 97,198.54/x
  3. Step 3: Cross multiply
    363,444.95x = 545,167.29 × 97,198.54
  4. Step 4: Simplify right side
    363,444.95x = 52,989,466,249.67
  5. Step 5: Solve for x
    x = 52,989,466,249.67/363,444.95
  6. Step 6: Final answer
    x = 145,797.78

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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.