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Finding the Fourth Proportional to 60,906.30, 91,359.45 and 56,240.70

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Solution

The fourth proportional to 60,906.30, 91,359.45 and 56,240.70 is: 84,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.30 : 91,359.45 = 56,240.70 : x
  2. Step 2: Convert to fraction form
    60,906.30/91,359.45 = 56,240.70/x
  3. Step 3: Cross multiply
    60,906.30x = 91,359.45 × 56,240.70
  4. Step 4: Simplify right side
    60,906.30x = 5,138,119,419.62
  5. Step 5: Solve for x
    x = 5,138,119,419.62/60,906.30
  6. Step 6: Final answer
    x = 84,361.05

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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.