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Finding the Fourth Proportional to 284,107.50, 426,162.06 and 73,747.26

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Solution

The fourth proportional to 284,107.50, 426,162.06 and 73,747.26 is: 110,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,107.50 : 426,162.06 = 73,747.26 : x
  2. Step 2: Convert to fraction form
    284,107.50/426,162.06 = 73,747.26/x
  3. Step 3: Cross multiply
    284,107.50x = 426,162.06 × 73,747.26
  4. Step 4: Simplify right side
    284,107.50x = 31,428,284,240.96
  5. Step 5: Solve for x
    x = 31,428,284,240.96/284,107.50
  6. Step 6: Final answer
    x = 110,621.10

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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.