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Finding the Fourth Proportional to 75,969.70, 114,057.15 and 44,412.10

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Solution

The fourth proportional to 75,969.70, 114,057.15 and 44,412.10 is: 66,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969.70 : 114,057.15 = 44,412.10 : x
  2. Step 2: Convert to fraction form
    75,969.70/114,057.15 = 44,412.10/x
  3. Step 3: Cross multiply
    75,969.70x = 114,057.15 × 44,412.10
  4. Step 4: Simplify right side
    75,969.70x = 5,065,517,551.52
  5. Step 5: Solve for x
    x = 5,065,517,551.52/75,969.70
  6. Step 6: Final answer
    x = 66,678.13

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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.