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Finding the Fourth Proportional to 353,912.65, 530,868.96 and 101,191.13

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Solution

The fourth proportional to 353,912.65, 530,868.96 and 101,191.13 is: 151,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,912.65 : 530,868.96 = 101,191.13 : x
  2. Step 2: Convert to fraction form
    353,912.65/530,868.96 = 101,191.13/x
  3. Step 3: Cross multiply
    353,912.65x = 530,868.96 × 101,191.13
  4. Step 4: Simplify right side
    353,912.65x = 53,719,229,280.74
  5. Step 5: Solve for x
    x = 53,719,229,280.74/353,912.65
  6. Step 6: Final answer
    x = 151,786.69

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.