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Finding the Fourth Proportional to 114,119.79, 171,220.20 and 50,934.16

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Solution

The fourth proportional to 114,119.79, 171,220.20 and 50,934.16 is: 76,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,119.79 : 171,220.20 = 50,934.16 : x
  2. Step 2: Convert to fraction form
    114,119.79/171,220.20 = 50,934.16/x
  3. Step 3: Cross multiply
    114,119.79x = 171,220.20 × 50,934.16
  4. Step 4: Simplify right side
    114,119.79x = 8,720,957,062.03
  5. Step 5: Solve for x
    x = 8,720,957,062.03/114,119.79
  6. Step 6: Final answer
    x = 76,419.32

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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.