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Finding the Fourth Proportional to 165,424.84, 228,189 and 104,073.44

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Solution

The fourth proportional to 165,424.84, 228,189 and 104,073.44 is: 143,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,424.84 : 228,189 = 104,073.44 : x
  2. Step 2: Convert to fraction form
    165,424.84/228,189 = 104,073.44/x
  3. Step 3: Cross multiply
    165,424.84x = 228,189 × 104,073.44
  4. Step 4: Simplify right side
    165,424.84x = 23,748,414,200.16
  5. Step 5: Solve for x
    x = 23,748,414,200.16/165,424.84
  6. Step 6: Final answer
    x = 143,560.15

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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.