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Finding the Fourth Proportional to 250,833.76, 376,090.57 and 165,345.96

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Solution

The fourth proportional to 250,833.76, 376,090.57 and 165,345.96 is: 247,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,833.76 : 376,090.57 = 165,345.96 : x
  2. Step 2: Convert to fraction form
    250,833.76/376,090.57 = 165,345.96/x
  3. Step 3: Cross multiply
    250,833.76x = 376,090.57 × 165,345.96
  4. Step 4: Simplify right side
    250,833.76x = 62,185,055,930.23
  5. Step 5: Solve for x
    x = 62,185,055,930.23/250,833.76
  6. Step 6: Final answer
    x = 247,913.43

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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.