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Finding the Fourth Proportional to 124,522.80, 186,719.31 and 44,529.94

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Solution

The fourth proportional to 124,522.80, 186,719.31 and 44,529.94 is: 66,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,522.80 : 186,719.31 = 44,529.94 : x
  2. Step 2: Convert to fraction form
    124,522.80/186,719.31 = 44,529.94/x
  3. Step 3: Cross multiply
    124,522.80x = 186,719.31 × 44,529.94
  4. Step 4: Simplify right side
    124,522.80x = 8,314,599,671.14
  5. Step 5: Solve for x
    x = 8,314,599,671.14/124,522.80
  6. Step 6: Final answer
    x = 66,771.71

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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.