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Finding the Fourth Proportional to 202,727.56, 279,742.62 and 112,068.94

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Solution

The fourth proportional to 202,727.56, 279,742.62 and 112,068.94 is: 154,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,727.56 : 279,742.62 = 112,068.94 : x
  2. Step 2: Convert to fraction form
    202,727.56/279,742.62 = 112,068.94/x
  3. Step 3: Cross multiply
    202,727.56x = 279,742.62 × 112,068.94
  4. Step 4: Simplify right side
    202,727.56x = 31,350,458,896.22
  5. Step 5: Solve for x
    x = 31,350,458,896.22/202,727.56
  6. Step 6: Final answer
    x = 154,643.30

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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.