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Finding the Fourth Proportional to 56,102.40, 84,153.60 and 50,464.80

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Solution

The fourth proportional to 56,102.40, 84,153.60 and 50,464.80 is: 75,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,102.40 : 84,153.60 = 50,464.80 : x
  2. Step 2: Convert to fraction form
    56,102.40/84,153.60 = 50,464.80/x
  3. Step 3: Cross multiply
    56,102.40x = 84,153.60 × 50,464.80
  4. Step 4: Simplify right side
    56,102.40x = 4,246,794,593.28
  5. Step 5: Solve for x
    x = 4,246,794,593.28/56,102.40
  6. Step 6: Final answer
    x = 75,697.20

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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.