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Finding the Fourth Proportional to 202,556.04, 303,839.04 and 69,435.48

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Solution

The fourth proportional to 202,556.04, 303,839.04 and 69,435.48 is: 104,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.04 : 303,839.04 = 69,435.48 : x
  2. Step 2: Convert to fraction form
    202,556.04/303,839.04 = 69,435.48/x
  3. Step 3: Cross multiply
    202,556.04x = 303,839.04 × 69,435.48
  4. Step 4: Simplify right side
    202,556.04x = 21,097,209,585.14
  5. Step 5: Solve for x
    x = 21,097,209,585.14/202,556.04
  6. Step 6: Final answer
    x = 104,154.93

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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.