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Finding the Fourth Proportional to 283,691.80, 425,384.10 and 117,496.60

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Solution

The fourth proportional to 283,691.80, 425,384.10 and 117,496.60 is: 176,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,691.80 : 425,384.10 = 117,496.60 : x
  2. Step 2: Convert to fraction form
    283,691.80/425,384.10 = 117,496.60/x
  3. Step 3: Cross multiply
    283,691.80x = 425,384.10 × 117,496.60
  4. Step 4: Simplify right side
    283,691.80x = 49,981,185,444.06
  5. Step 5: Solve for x
    x = 49,981,185,444.06/283,691.80
  6. Step 6: Final answer
    x = 176,181.28

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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.