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Finding the Fourth Proportional to 103,634.99, 155,501.69 and 44,487.57

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Solution

The fourth proportional to 103,634.99, 155,501.69 and 44,487.57 is: 66,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.99 : 155,501.69 = 44,487.57 : x
  2. Step 2: Convert to fraction form
    103,634.99/155,501.69 = 44,487.57/x
  3. Step 3: Cross multiply
    103,634.99x = 155,501.69 × 44,487.57
  4. Step 4: Simplify right side
    103,634.99x = 6,917,892,318.99
  5. Step 5: Solve for x
    x = 6,917,892,318.99/103,634.99
  6. Step 6: Final answer
    x = 66,752.48

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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.