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Finding the Fourth Proportional to 202,507.08, 303,837.17 and 84,168.51

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Solution

The fourth proportional to 202,507.08, 303,837.17 and 84,168.51 is: 126,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,507.08 : 303,837.17 = 84,168.51 : x
  2. Step 2: Convert to fraction form
    202,507.08/303,837.17 = 84,168.51/x
  3. Step 3: Cross multiply
    202,507.08x = 303,837.17 × 84,168.51
  4. Step 4: Simplify right side
    202,507.08x = 25,573,521,460.67
  5. Step 5: Solve for x
    x = 25,573,521,460.67/202,507.08
  6. Step 6: Final answer
    x = 126,284.58

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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.