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Finding the Fourth Proportional to 147,625.50, 203,722.08 and 83,963.22

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Solution

The fourth proportional to 147,625.50, 203,722.08 and 83,963.22 is: 115,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.50 : 203,722.08 = 83,963.22 : x
  2. Step 2: Convert to fraction form
    147,625.50/203,722.08 = 83,963.22/x
  3. Step 3: Cross multiply
    147,625.50x = 203,722.08 × 83,963.22
  4. Step 4: Simplify right side
    147,625.50x = 17,105,161,821.90
  5. Step 5: Solve for x
    x = 17,105,161,821.90/147,625.50
  6. Step 6: Final answer
    x = 115,868.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.