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Finding the Fourth Proportional to 235,251.58, 352,679 and 102,031.50

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Solution

The fourth proportional to 235,251.58, 352,679 and 102,031.50 is: 152,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,251.58 : 352,679 = 102,031.50 : x
  2. Step 2: Convert to fraction form
    235,251.58/352,679 = 102,031.50/x
  3. Step 3: Cross multiply
    235,251.58x = 352,679 × 102,031.50
  4. Step 4: Simplify right side
    235,251.58x = 35,984,367,388.50
  5. Step 5: Solve for x
    x = 35,984,367,388.50/235,251.58
  6. Step 6: Final answer
    x = 152,961.21

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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.