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Finding the Fourth Proportional to 50,139, 75,209.46 and 23,470.20

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Solution

The fourth proportional to 50,139, 75,209.46 and 23,470.20 is: 35,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139 : 75,209.46 = 23,470.20 : x
  2. Step 2: Convert to fraction form
    50,139/75,209.46 = 23,470.20/x
  3. Step 3: Cross multiply
    50,139x = 75,209.46 × 23,470.20
  4. Step 4: Simplify right side
    50,139x = 1,765,181,068.09
  5. Step 5: Solve for x
    x = 1,765,181,068.09/50,139
  6. Step 6: Final answer
    x = 35,205.75

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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.