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Finding the Fourth Proportional to 44,085.78, 66,131.17 and 14,102.65

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Solution

The fourth proportional to 44,085.78, 66,131.17 and 14,102.65 is: 21,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,085.78 : 66,131.17 = 14,102.65 : x
  2. Step 2: Convert to fraction form
    44,085.78/66,131.17 = 14,102.65/x
  3. Step 3: Cross multiply
    44,085.78x = 66,131.17 × 14,102.65
  4. Step 4: Simplify right side
    44,085.78x = 932,624,544.02
  5. Step 5: Solve for x
    x = 932,624,544.02/44,085.78
  6. Step 6: Final answer
    x = 21,154.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.