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Finding the Fourth Proportional to 220,012.66, 303,592.29 and 123,203.02

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Solution

The fourth proportional to 220,012.66, 303,592.29 and 123,203.02 is: 170,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012.66 : 303,592.29 = 123,203.02 : x
  2. Step 2: Convert to fraction form
    220,012.66/303,592.29 = 123,203.02/x
  3. Step 3: Cross multiply
    220,012.66x = 303,592.29 × 123,203.02
  4. Step 4: Simplify right side
    220,012.66x = 37,403,486,976.72
  5. Step 5: Solve for x
    x = 37,403,486,976.72/220,012.66
  6. Step 6: Final answer
    x = 170,006.07

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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.