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Finding the Fourth Proportional to 269,296.87, 403,955.56 and 100,799.46

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Solution

The fourth proportional to 269,296.87, 403,955.56 and 100,799.46 is: 151,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,296.87 : 403,955.56 = 100,799.46 : x
  2. Step 2: Convert to fraction form
    269,296.87/403,955.56 = 100,799.46/x
  3. Step 3: Cross multiply
    269,296.87x = 403,955.56 × 100,799.46
  4. Step 4: Simplify right side
    269,296.87x = 40,718,502,312.00
  5. Step 5: Solve for x
    x = 40,718,502,312.00/269,296.87
  6. Step 6: Final answer
    x = 151,203.03

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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.