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Finding the Fourth Proportional to 253,469.68, 349,875.60 and 146,082.60

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Solution

The fourth proportional to 253,469.68, 349,875.60 and 146,082.60 is: 201,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,469.68 : 349,875.60 = 146,082.60 : x
  2. Step 2: Convert to fraction form
    253,469.68/349,875.60 = 146,082.60/x
  3. Step 3: Cross multiply
    253,469.68x = 349,875.60 × 146,082.60
  4. Step 4: Simplify right side
    253,469.68x = 51,110,737,324.56
  5. Step 5: Solve for x
    x = 51,110,737,324.56/253,469.68
  6. Step 6: Final answer
    x = 201,644.38

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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.