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Finding the Fourth Proportional to 229,860.30, 344,984.85 and 103,694.70

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Solution

The fourth proportional to 229,860.30, 344,984.85 and 103,694.70 is: 155,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,860.30 : 344,984.85 = 103,694.70 : x
  2. Step 2: Convert to fraction form
    229,860.30/344,984.85 = 103,694.70/x
  3. Step 3: Cross multiply
    229,860.30x = 344,984.85 × 103,694.70
  4. Step 4: Simplify right side
    229,860.30x = 35,773,100,525.30
  5. Step 5: Solve for x
    x = 35,773,100,525.30/229,860.30
  6. Step 6: Final answer
    x = 155,629.75

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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.