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Finding the Fourth Proportional to 259,662, 358,335.18 and 159,060

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Solution

The fourth proportional to 259,662, 358,335.18 and 159,060 is: 219,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,662 : 358,335.18 = 159,060 : x
  2. Step 2: Convert to fraction form
    259,662/358,335.18 = 159,060/x
  3. Step 3: Cross multiply
    259,662x = 358,335.18 × 159,060
  4. Step 4: Simplify right side
    259,662x = 56,996,793,730.80
  5. Step 5: Solve for x
    x = 56,996,793,730.80/259,662
  6. Step 6: Final answer
    x = 219,503.79

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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.