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Finding the Fourth Proportional to 207,046.88, 310,444.87 and 135,053.56

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Solution

The fourth proportional to 207,046.88, 310,444.87 and 135,053.56 is: 202,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,046.88 : 310,444.87 = 135,053.56 : x
  2. Step 2: Convert to fraction form
    207,046.88/310,444.87 = 135,053.56/x
  3. Step 3: Cross multiply
    207,046.88x = 310,444.87 × 135,053.56
  4. Step 4: Simplify right side
    207,046.88x = 41,926,684,877.24
  5. Step 5: Solve for x
    x = 41,926,684,877.24/207,046.88
  6. Step 6: Final answer
    x = 202,498.51

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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.