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Finding the Fourth Proportional to 165,079.74, 227,815.56 and 92,485.77

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Solution

The fourth proportional to 165,079.74, 227,815.56 and 92,485.77 is: 127,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079.74 : 227,815.56 = 92,485.77 : x
  2. Step 2: Convert to fraction form
    165,079.74/227,815.56 = 92,485.77/x
  3. Step 3: Cross multiply
    165,079.74x = 227,815.56 × 92,485.77
  4. Step 4: Simplify right side
    165,079.74x = 21,069,697,484.58
  5. Step 5: Solve for x
    x = 21,069,697,484.58/165,079.74
  6. Step 6: Final answer
    x = 127,633.45

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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.