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Finding the Fourth Proportional to 67,309.03, 100,974.71 and 25,203.97

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Solution

The fourth proportional to 67,309.03, 100,974.71 and 25,203.97 is: 37,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,309.03 : 100,974.71 = 25,203.97 : x
  2. Step 2: Convert to fraction form
    67,309.03/100,974.71 = 25,203.97/x
  3. Step 3: Cross multiply
    67,309.03x = 100,974.71 × 25,203.97
  4. Step 4: Simplify right side
    67,309.03x = 2,544,963,561.60
  5. Step 5: Solve for x
    x = 2,544,963,561.60/67,309.03
  6. Step 6: Final answer
    x = 37,810.14

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1.5x scale

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.