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Finding the Fourth Proportional to 363,662.50, 545,515.62 and 114,344.50

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Solution

The fourth proportional to 363,662.50, 545,515.62 and 114,344.50 is: 171,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,662.50 : 545,515.62 = 114,344.50 : x
  2. Step 2: Convert to fraction form
    363,662.50/545,515.62 = 114,344.50/x
  3. Step 3: Cross multiply
    363,662.50x = 545,515.62 × 114,344.50
  4. Step 4: Simplify right side
    363,662.50x = 62,376,710,811.09
  5. Step 5: Solve for x
    x = 62,376,710,811.09/363,662.50
  6. Step 6: Final answer
    x = 171,523.63

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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.