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Finding the Fourth Proportional to 247,192.83, 370,365.45 and 165,987.64

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Solution

The fourth proportional to 247,192.83, 370,365.45 and 165,987.64 is: 248,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192.83 : 370,365.45 = 165,987.64 : x
  2. Step 2: Convert to fraction form
    247,192.83/370,365.45 = 165,987.64/x
  3. Step 3: Cross multiply
    247,192.83x = 370,365.45 × 165,987.64
  4. Step 4: Simplify right side
    247,192.83x = 61,476,086,679.58
  5. Step 5: Solve for x
    x = 61,476,086,679.58/247,192.83
  6. Step 6: Final answer
    x = 248,696.88

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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.