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Finding the Fourth Proportional to 171,366.85, 257,094.62 and 100,349.49

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Solution

The fourth proportional to 171,366.85, 257,094.62 and 100,349.49 is: 150,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,366.85 : 257,094.62 = 100,349.49 : x
  2. Step 2: Convert to fraction form
    171,366.85/257,094.62 = 100,349.49/x
  3. Step 3: Cross multiply
    171,366.85x = 257,094.62 × 100,349.49
  4. Step 4: Simplify right side
    171,366.85x = 25,799,313,998.74
  5. Step 5: Solve for x
    x = 25,799,313,998.74/171,366.85
  6. Step 6: Final answer
    x = 150,550.20

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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.