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Finding the Fourth Proportional to 173,767.60, 261,208.20 and 161,441.20

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Solution

The fourth proportional to 173,767.60, 261,208.20 and 161,441.20 is: 242,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,767.60 : 261,208.20 = 161,441.20 : x
  2. Step 2: Convert to fraction form
    173,767.60/261,208.20 = 161,441.20/x
  3. Step 3: Cross multiply
    173,767.60x = 261,208.20 × 161,441.20
  4. Step 4: Simplify right side
    173,767.60x = 42,169,765,257.84
  5. Step 5: Solve for x
    x = 42,169,765,257.84/173,767.60
  6. Step 6: Final answer
    x = 242,679.10

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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.