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Finding the Fourth Proportional to 363,426.95, 545,162.30 and 114,108.95

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Solution

The fourth proportional to 363,426.95, 545,162.30 and 114,108.95 is: 171,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,426.95 : 545,162.30 = 114,108.95 : x
  2. Step 2: Convert to fraction form
    363,426.95/545,162.30 = 114,108.95/x
  3. Step 3: Cross multiply
    363,426.95x = 545,162.30 × 114,108.95
  4. Step 4: Simplify right side
    363,426.95x = 62,207,894,336.23
  5. Step 5: Solve for x
    x = 62,207,894,336.23/363,426.95
  6. Step 6: Final answer
    x = 171,170.29

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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.