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Finding the Fourth Proportional to 202,744.73, 279,783.37 and 112,104.52

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Solution

The fourth proportional to 202,744.73, 279,783.37 and 112,104.52 is: 154,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,744.73 : 279,783.37 = 112,104.52 : x
  2. Step 2: Convert to fraction form
    202,744.73/279,783.37 = 112,104.52/x
  3. Step 3: Cross multiply
    202,744.73x = 279,783.37 × 112,104.52
  4. Step 4: Simplify right side
    202,744.73x = 31,364,980,397.83
  5. Step 5: Solve for x
    x = 31,364,980,397.83/202,744.73
  6. Step 6: Final answer
    x = 154,701.83

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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.