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Finding the Fourth Proportional to 202,636.34, 279,639.08 and 110,757.52

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Solution

The fourth proportional to 202,636.34, 279,639.08 and 110,757.52 is: 152,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,636.34 : 279,639.08 = 110,757.52 : x
  2. Step 2: Convert to fraction form
    202,636.34/279,639.08 = 110,757.52/x
  3. Step 3: Cross multiply
    202,636.34x = 279,639.08 × 110,757.52
  4. Step 4: Simplify right side
    202,636.34x = 30,972,130,573.68
  5. Step 5: Solve for x
    x = 30,972,130,573.68/202,636.34
  6. Step 6: Final answer
    x = 152,845.89

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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.