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Finding the Fourth Proportional to 181,795.92, 250,908.98 and 117,247

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Solution

The fourth proportional to 181,795.92, 250,908.98 and 117,247 is: 161,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,795.92 : 250,908.98 = 117,247 : x
  2. Step 2: Convert to fraction form
    181,795.92/250,908.98 = 117,247/x
  3. Step 3: Cross multiply
    181,795.92x = 250,908.98 × 117,247
  4. Step 4: Simplify right side
    181,795.92x = 29,418,325,178.06
  5. Step 5: Solve for x
    x = 29,418,325,178.06/181,795.92
  6. Step 6: Final answer
    x = 161,820.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.