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Finding the Fourth Proportional to 202,710.78, 279,748.76 and 134,610.33

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Solution

The fourth proportional to 202,710.78, 279,748.76 and 134,610.33 is: 185,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,710.78 : 279,748.76 = 134,610.33 : x
  2. Step 2: Convert to fraction form
    202,710.78/279,748.76 = 134,610.33/x
  3. Step 3: Cross multiply
    202,710.78x = 279,748.76 × 134,610.33
  4. Step 4: Simplify right side
    202,710.78x = 37,657,072,900.69
  5. Step 5: Solve for x
    x = 37,657,072,900.69/202,710.78
  6. Step 6: Final answer
    x = 185,767.49

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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.