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Finding the Fourth Proportional to 173,753.60, 261,187.20 and 161,427.20

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Solution

The fourth proportional to 173,753.60, 261,187.20 and 161,427.20 is: 242,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,753.60 : 261,187.20 = 161,427.20 : x
  2. Step 2: Convert to fraction form
    173,753.60/261,187.20 = 161,427.20/x
  3. Step 3: Cross multiply
    173,753.60x = 261,187.20 × 161,427.20
  4. Step 4: Simplify right side
    173,753.60x = 42,162,718,371.84
  5. Step 5: Solve for x
    x = 42,162,718,371.84/173,753.60
  6. Step 6: Final answer
    x = 242,658.10

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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.