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Finding the Fourth Proportional to 165,099.44, 227,790.96 and 93,477.90

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Solution

The fourth proportional to 165,099.44, 227,790.96 and 93,477.90 is: 128,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,099.44 : 227,790.96 = 93,477.90 : x
  2. Step 2: Convert to fraction form
    165,099.44/227,790.96 = 93,477.90/x
  3. Step 3: Cross multiply
    165,099.44x = 227,790.96 × 93,477.90
  4. Step 4: Simplify right side
    165,099.44x = 21,293,420,579.78
  5. Step 5: Solve for x
    x = 21,293,420,579.78/165,099.44
  6. Step 6: Final answer
    x = 128,973.31

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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.