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Finding the Fourth Proportional to 67,203.53, 100,801.95 and 25,080.39

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Solution

The fourth proportional to 67,203.53, 100,801.95 and 25,080.39 is: 37,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,203.53 : 100,801.95 = 25,080.39 : x
  2. Step 2: Convert to fraction form
    67,203.53/100,801.95 = 25,080.39/x
  3. Step 3: Cross multiply
    67,203.53x = 100,801.95 × 25,080.39
  4. Step 4: Simplify right side
    67,203.53x = 2,528,152,218.76
  5. Step 5: Solve for x
    x = 2,528,152,218.76/67,203.53
  6. Step 6: Final answer
    x = 37,619.34

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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.