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Finding the Fourth Proportional to 226,693.65, 312,859.32 and 169,233.20

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Solution

The fourth proportional to 226,693.65, 312,859.32 and 169,233.20 is: 233,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,693.65 : 312,859.32 = 169,233.20 : x
  2. Step 2: Convert to fraction form
    226,693.65/312,859.32 = 169,233.20/x
  3. Step 3: Cross multiply
    226,693.65x = 312,859.32 × 169,233.20
  4. Step 4: Simplify right side
    226,693.65x = 52,946,183,873.42
  5. Step 5: Solve for x
    x = 52,946,183,873.42/226,693.65
  6. Step 6: Final answer
    x = 233,558.30

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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.