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Finding the Fourth Proportional to 189,217.44, 261,100.08 and 104,329.44

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Solution

The fourth proportional to 189,217.44, 261,100.08 and 104,329.44 is: 143,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217.44 : 261,100.08 = 104,329.44 : x
  2. Step 2: Convert to fraction form
    189,217.44/261,100.08 = 104,329.44/x
  3. Step 3: Cross multiply
    189,217.44x = 261,100.08 × 104,329.44
  4. Step 4: Simplify right side
    189,217.44x = 27,240,425,130.36
  5. Step 5: Solve for x
    x = 27,240,425,130.36/189,217.44
  6. Step 6: Final answer
    x = 143,963.61

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1.5x scale

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.