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Finding the Fourth Proportional to 114,049.80, 171,074.70 and 51,720.30

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Solution

The fourth proportional to 114,049.80, 171,074.70 and 51,720.30 is: 77,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,049.80 : 171,074.70 = 51,720.30 : x
  2. Step 2: Convert to fraction form
    114,049.80/171,074.70 = 51,720.30/x
  3. Step 3: Cross multiply
    114,049.80x = 171,074.70 × 51,720.30
  4. Step 4: Simplify right side
    114,049.80x = 8,848,034,806.41
  5. Step 5: Solve for x
    x = 8,848,034,806.41/114,049.80
  6. Step 6: Final answer
    x = 77,580.45

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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.