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Finding the Fourth Proportional to 161,757.96, 223,226.87 and 93,815.22

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Solution

The fourth proportional to 161,757.96, 223,226.87 and 93,815.22 is: 129,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,757.96 : 223,226.87 = 93,815.22 : x
  2. Step 2: Convert to fraction form
    161,757.96/223,226.87 = 93,815.22/x
  3. Step 3: Cross multiply
    161,757.96x = 223,226.87 × 93,815.22
  4. Step 4: Simplify right side
    161,757.96x = 20,942,077,031.33
  5. Step 5: Solve for x
    x = 20,942,077,031.33/161,757.96
  6. Step 6: Final answer
    x = 129,465.51

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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.