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Finding the Fourth Proportional to 266,754.52, 368,107.59 and 145,872.31

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Solution

The fourth proportional to 266,754.52, 368,107.59 and 145,872.31 is: 201,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,754.52 : 368,107.59 = 145,872.31 : x
  2. Step 2: Convert to fraction form
    266,754.52/368,107.59 = 145,872.31/x
  3. Step 3: Cross multiply
    266,754.52x = 368,107.59 × 145,872.31
  4. Step 4: Simplify right side
    266,754.52x = 53,696,704,481.83
  5. Step 5: Solve for x
    x = 53,696,704,481.83/266,754.52
  6. Step 6: Final answer
    x = 201,296.32

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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.