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Finding the Fourth Proportional to 181,477.08, 250,629.66 and 161,687.16

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Solution

The fourth proportional to 181,477.08, 250,629.66 and 161,687.16 is: 223,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,477.08 : 250,629.66 = 161,687.16 : x
  2. Step 2: Convert to fraction form
    181,477.08/250,629.66 = 161,687.16/x
  3. Step 3: Cross multiply
    181,477.08x = 250,629.66 × 161,687.16
  4. Step 4: Simplify right side
    181,477.08x = 40,523,597,937.17
  5. Step 5: Solve for x
    x = 40,523,597,937.17/181,477.08
  6. Step 6: Final answer
    x = 223,298.71

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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.