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Finding the Fourth Proportional to 252,672.66, 348,648.63 and 145,222.61

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Solution

The fourth proportional to 252,672.66, 348,648.63 and 145,222.61 is: 200,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,672.66 : 348,648.63 = 145,222.61 : x
  2. Step 2: Convert to fraction form
    252,672.66/348,648.63 = 145,222.61/x
  3. Step 3: Cross multiply
    252,672.66x = 348,648.63 × 145,222.61
  4. Step 4: Simplify right side
    252,672.66x = 50,631,664,348.56
  5. Step 5: Solve for x
    x = 50,631,664,348.56/252,672.66
  6. Step 6: Final answer
    x = 200,384.42

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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.