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Finding the Fourth Proportional to 363,663.50, 545,517.12 and 114,345.50

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Solution

The fourth proportional to 363,663.50, 545,517.12 and 114,345.50 is: 171,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,663.50 : 545,517.12 = 114,345.50 : x
  2. Step 2: Convert to fraction form
    363,663.50/545,517.12 = 114,345.50/x
  3. Step 3: Cross multiply
    363,663.50x = 545,517.12 × 114,345.50
  4. Step 4: Simplify right side
    363,663.50x = 62,377,427,844.96
  5. Step 5: Solve for x
    x = 62,377,427,844.96/363,663.50
  6. Step 6: Final answer
    x = 171,525.13

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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.