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Finding the Fourth Proportional to 134,754.62, 202,097.43 and 39,962.61

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Solution

The fourth proportional to 134,754.62, 202,097.43 and 39,962.61 is: 59,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,754.62 : 202,097.43 = 39,962.61 : x
  2. Step 2: Convert to fraction form
    134,754.62/202,097.43 = 39,962.61/x
  3. Step 3: Cross multiply
    134,754.62x = 202,097.43 × 39,962.61
  4. Step 4: Simplify right side
    134,754.62x = 8,076,340,777.09
  5. Step 5: Solve for x
    x = 8,076,340,777.09/134,754.62
  6. Step 6: Final answer
    x = 59,933.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.