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Finding the Fourth Proportional to 342,873.33, 514,392.08 and 143,082.56

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Solution

The fourth proportional to 342,873.33, 514,392.08 and 143,082.56 is: 214,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,873.33 : 514,392.08 = 143,082.56 : x
  2. Step 2: Convert to fraction form
    342,873.33/514,392.08 = 143,082.56/x
  3. Step 3: Cross multiply
    342,873.33x = 514,392.08 × 143,082.56
  4. Step 4: Simplify right side
    342,873.33x = 73,600,532,362.75
  5. Step 5: Solve for x
    x = 73,600,532,362.75/342,873.33
  6. Step 6: Final answer
    x = 214,658.08

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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.