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Finding the Fourth Proportional to 207,904.93, 286,843.31 and 127,248.37

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Solution

The fourth proportional to 207,904.93, 286,843.31 and 127,248.37 is: 175,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,904.93 : 286,843.31 = 127,248.37 : x
  2. Step 2: Convert to fraction form
    207,904.93/286,843.31 = 127,248.37/x
  3. Step 3: Cross multiply
    207,904.93x = 286,843.31 × 127,248.37
  4. Step 4: Simplify right side
    207,904.93x = 36,500,342,766.74
  5. Step 5: Solve for x
    x = 36,500,342,766.74/207,904.93
  6. Step 6: Final answer
    x = 175,562.66

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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.