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Finding the Fourth Proportional to 235,415.70, 352,605.15 and 164,913.30

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Solution

The fourth proportional to 235,415.70, 352,605.15 and 164,913.30 is: 247,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,415.70 : 352,605.15 = 164,913.30 : x
  2. Step 2: Convert to fraction form
    235,415.70/352,605.15 = 164,913.30/x
  3. Step 3: Cross multiply
    235,415.70x = 352,605.15 × 164,913.30
  4. Step 4: Simplify right side
    235,415.70x = 58,149,278,883.50
  5. Step 5: Solve for x
    x = 58,149,278,883.50/235,415.70
  6. Step 6: Final answer
    x = 247,006.80

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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.