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Finding the Fourth Proportional to 207,402.93, 311,105.37 and 72,466.44

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Solution

The fourth proportional to 207,402.93, 311,105.37 and 72,466.44 is: 108,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,402.93 : 311,105.37 = 72,466.44 : x
  2. Step 2: Convert to fraction form
    207,402.93/311,105.37 = 72,466.44/x
  3. Step 3: Cross multiply
    207,402.93x = 311,105.37 × 72,466.44
  4. Step 4: Simplify right side
    207,402.93x = 22,544,698,628.78
  5. Step 5: Solve for x
    x = 22,544,698,628.78/207,402.93
  6. Step 6: Final answer
    x = 108,700.00

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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.