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Finding the Fourth Proportional to 117,587.82, 162,272.66 and 63,873.74

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Solution

The fourth proportional to 117,587.82, 162,272.66 and 63,873.74 is: 88,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.82 : 162,272.66 = 63,873.74 : x
  2. Step 2: Convert to fraction form
    117,587.82/162,272.66 = 63,873.74/x
  3. Step 3: Cross multiply
    117,587.82x = 162,272.66 × 63,873.74
  4. Step 4: Simplify right side
    117,587.82x = 10,364,961,693.95
  5. Step 5: Solve for x
    x = 10,364,961,693.95/117,587.82
  6. Step 6: Final answer
    x = 88,146.56

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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.