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Finding the Fourth Proportional to 267,980.37, 369,813.93 and 147,134.04

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Solution

The fourth proportional to 267,980.37, 369,813.93 and 147,134.04 is: 203,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,980.37 : 369,813.93 = 147,134.04 : x
  2. Step 2: Convert to fraction form
    267,980.37/369,813.93 = 147,134.04/x
  3. Step 3: Cross multiply
    267,980.37x = 369,813.93 × 147,134.04
  4. Step 4: Simplify right side
    267,980.37x = 54,412,217,569.18
  5. Step 5: Solve for x
    x = 54,412,217,569.18/267,980.37
  6. Step 6: Final answer
    x = 203,045.53

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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.