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Finding the Fourth Proportional to 95,539.50, 143,309.25 and 33,210

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Solution

The fourth proportional to 95,539.50, 143,309.25 and 33,210 is: 49,815

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,539.50 : 143,309.25 = 33,210 : x
  2. Step 2: Convert to fraction form
    95,539.50/143,309.25 = 33,210/x
  3. Step 3: Cross multiply
    95,539.50x = 143,309.25 × 33,210
  4. Step 4: Simplify right side
    95,539.50x = 4,759,300,192.50
  5. Step 5: Solve for x
    x = 4,759,300,192.50/95,539.50
  6. Step 6: Final answer
    x = 49,815

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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.