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Finding the Fourth Proportional to 114,399.55, 171,608.09 and 38,498.46

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Solution

The fourth proportional to 114,399.55, 171,608.09 and 38,498.46 is: 57,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,399.55 : 171,608.09 = 38,498.46 : x
  2. Step 2: Convert to fraction form
    114,399.55/171,608.09 = 38,498.46/x
  3. Step 3: Cross multiply
    114,399.55x = 171,608.09 × 38,498.46
  4. Step 4: Simplify right side
    114,399.55x = 6,606,647,401.32
  5. Step 5: Solve for x
    x = 6,606,647,401.32/114,399.55
  6. Step 6: Final answer
    x = 57,750.64

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1.5x scale

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.