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Finding the Fourth Proportional to 253,475.72, 349,883.94 and 146,088.56

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Solution

The fourth proportional to 253,475.72, 349,883.94 and 146,088.56 is: 201,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,475.72 : 349,883.94 = 146,088.56 : x
  2. Step 2: Convert to fraction form
    253,475.72/349,883.94 = 146,088.56/x
  3. Step 3: Cross multiply
    253,475.72x = 349,883.94 × 146,088.56
  4. Step 4: Simplify right side
    253,475.72x = 51,114,040,961.73
  5. Step 5: Solve for x
    x = 51,114,040,961.73/253,475.72
  6. Step 6: Final answer
    x = 201,652.61

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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.