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Finding the Fourth Proportional to 94,657.20, 141,865.20 and 50,305.20

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Solution

The fourth proportional to 94,657.20, 141,865.20 and 50,305.20 is: 75,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,657.20 : 141,865.20 = 50,305.20 : x
  2. Step 2: Convert to fraction form
    94,657.20/141,865.20 = 50,305.20/x
  3. Step 3: Cross multiply
    94,657.20x = 141,865.20 × 50,305.20
  4. Step 4: Simplify right side
    94,657.20x = 7,136,557,259.04
  5. Step 5: Solve for x
    x = 7,136,557,259.04/94,657.20
  6. Step 6: Final answer
    x = 75,393.71

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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.