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Finding the Fourth Proportional to 114,438.28, 171,604.14 and 43,374.52

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Solution

The fourth proportional to 114,438.28, 171,604.14 and 43,374.52 is: 65,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,438.28 : 171,604.14 = 43,374.52 : x
  2. Step 2: Convert to fraction form
    114,438.28/171,604.14 = 43,374.52/x
  3. Step 3: Cross multiply
    114,438.28x = 171,604.14 × 43,374.52
  4. Step 4: Simplify right side
    114,438.28x = 7,443,247,202.51
  5. Step 5: Solve for x
    x = 7,443,247,202.51/114,438.28
  6. Step 6: Final answer
    x = 65,041.59

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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.