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Finding the Fourth Proportional to 189,199.85, 283,728.87 and 62,816.76

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Solution

The fourth proportional to 189,199.85, 283,728.87 and 62,816.76 is: 94,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199.85 : 283,728.87 = 62,816.76 : x
  2. Step 2: Convert to fraction form
    189,199.85/283,728.87 = 62,816.76/x
  3. Step 3: Cross multiply
    189,199.85x = 283,728.87 × 62,816.76
  4. Step 4: Simplify right side
    189,199.85x = 17,822,928,331.86
  5. Step 5: Solve for x
    x = 17,822,928,331.86/189,199.85
  6. Step 6: Final answer
    x = 94,201.60

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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.