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Finding the Fourth Proportional to 140,494.76, 194,101.08 and 117,798.56

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Solution

The fourth proportional to 140,494.76, 194,101.08 and 117,798.56 is: 162,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,494.76 : 194,101.08 = 117,798.56 : x
  2. Step 2: Convert to fraction form
    140,494.76/194,101.08 = 117,798.56/x
  3. Step 3: Cross multiply
    140,494.76x = 194,101.08 × 117,798.56
  4. Step 4: Simplify right side
    140,494.76x = 22,864,827,718.44
  5. Step 5: Solve for x
    x = 22,864,827,718.44/140,494.76
  6. Step 6: Final answer
    x = 162,745.06

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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.