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Finding the Fourth Proportional to 267,975.88, 369,807.70 and 147,129.54

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Solution

The fourth proportional to 267,975.88, 369,807.70 and 147,129.54 is: 203,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,975.88 : 369,807.70 = 147,129.54 : x
  2. Step 2: Convert to fraction form
    267,975.88/369,807.70 = 147,129.54/x
  3. Step 3: Cross multiply
    267,975.88x = 369,807.70 × 147,129.54
  4. Step 4: Simplify right side
    267,975.88x = 54,409,636,789.46
  5. Step 5: Solve for x
    x = 54,409,636,789.46/267,975.88
  6. Step 6: Final answer
    x = 203,039.31

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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.