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Finding the Fourth Proportional to 216,945.74, 299,174.82 and 169,181.66

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Solution

The fourth proportional to 216,945.74, 299,174.82 and 169,181.66 is: 233,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,945.74 : 299,174.82 = 169,181.66 : x
  2. Step 2: Convert to fraction form
    216,945.74/299,174.82 = 169,181.66/x
  3. Step 3: Cross multiply
    216,945.74x = 299,174.82 × 169,181.66
  4. Step 4: Simplify right side
    216,945.74x = 50,614,892,677.80
  5. Step 5: Solve for x
    x = 50,614,892,677.80/216,945.74
  6. Step 6: Final answer
    x = 233,306.69

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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.