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Finding the Fourth Proportional to 114,022.40, 171,130.80 and 50,939.60

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Solution

The fourth proportional to 114,022.40, 171,130.80 and 50,939.60 is: 76,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.40 : 171,130.80 = 50,939.60 : x
  2. Step 2: Convert to fraction form
    114,022.40/171,130.80 = 50,939.60/x
  3. Step 3: Cross multiply
    114,022.40x = 171,130.80 × 50,939.60
  4. Step 4: Simplify right side
    114,022.40x = 8,717,334,499.68
  5. Step 5: Solve for x
    x = 8,717,334,499.68/114,022.40
  6. Step 6: Final answer
    x = 76,452.82

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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.