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Finding the Fourth Proportional to 225,475.62, 311,365.53 and 168,788.58

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Solution

The fourth proportional to 225,475.62, 311,365.53 and 168,788.58 is: 233,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,475.62 : 311,365.53 = 168,788.58 : x
  2. Step 2: Convert to fraction form
    225,475.62/311,365.53 = 168,788.58/x
  3. Step 3: Cross multiply
    225,475.62x = 311,365.53 × 168,788.58
  4. Step 4: Simplify right side
    225,475.62x = 52,554,945,669.65
  5. Step 5: Solve for x
    x = 52,554,945,669.65/225,475.62
  6. Step 6: Final answer
    x = 233,084.83

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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.