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Finding the Fourth Proportional to 114,466.81, 171,724.78 and 38,572.84

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Solution

The fourth proportional to 114,466.81, 171,724.78 and 38,572.84 is: 57,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,466.81 : 171,724.78 = 38,572.84 : x
  2. Step 2: Convert to fraction form
    114,466.81/171,724.78 = 38,572.84/x
  3. Step 3: Cross multiply
    114,466.81x = 171,724.78 × 38,572.84
  4. Step 4: Simplify right side
    114,466.81x = 6,623,912,462.98
  5. Step 5: Solve for x
    x = 6,623,912,462.98/114,466.81
  6. Step 6: Final answer
    x = 57,867.54

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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.