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Finding the Fourth Proportional to 229,100.40, 343,796.40 and 134,330.40

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Solution

The fourth proportional to 229,100.40, 343,796.40 and 134,330.40 is: 201,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,100.40 : 343,796.40 = 134,330.40 : x
  2. Step 2: Convert to fraction form
    229,100.40/343,796.40 = 134,330.40/x
  3. Step 3: Cross multiply
    229,100.40x = 343,796.40 × 134,330.40
  4. Step 4: Simplify right side
    229,100.40x = 46,182,307,930.56
  5. Step 5: Solve for x
    x = 46,182,307,930.56/229,100.40
  6. Step 6: Final answer
    x = 201,581.09

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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.