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Finding the Fourth Proportional to 202,053.78, 303,080.66 and 89,707.59

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Solution

The fourth proportional to 202,053.78, 303,080.66 and 89,707.59 is: 134,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.78 : 303,080.66 = 89,707.59 : x
  2. Step 2: Convert to fraction form
    202,053.78/303,080.66 = 89,707.59/x
  3. Step 3: Cross multiply
    202,053.78x = 303,080.66 × 89,707.59
  4. Step 4: Simplify right side
    202,053.78x = 27,188,635,135.67
  5. Step 5: Solve for x
    x = 27,188,635,135.67/202,053.78
  6. Step 6: Final answer
    x = 134,561.38

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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.