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Finding the Fourth Proportional to 217,812.56, 300,608.52 and 132,933.20

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Solution

The fourth proportional to 217,812.56, 300,608.52 and 132,933.20 is: 183,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,812.56 : 300,608.52 = 132,933.20 : x
  2. Step 2: Convert to fraction form
    217,812.56/300,608.52 = 132,933.20/x
  3. Step 3: Cross multiply
    217,812.56x = 300,608.52 × 132,933.20
  4. Step 4: Simplify right side
    217,812.56x = 39,960,852,510.86
  5. Step 5: Solve for x
    x = 39,960,852,510.86/217,812.56
  6. Step 6: Final answer
    x = 183,464.41

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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.