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Finding the Fourth Proportional to 161,158.80, 241,738.20 and 123,906.90

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Solution

The fourth proportional to 161,158.80, 241,738.20 and 123,906.90 is: 185,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,158.80 : 241,738.20 = 123,906.90 : x
  2. Step 2: Convert to fraction form
    161,158.80/241,738.20 = 123,906.90/x
  3. Step 3: Cross multiply
    161,158.80x = 241,738.20 × 123,906.90
  4. Step 4: Simplify right side
    161,158.80x = 29,953,030,973.58
  5. Step 5: Solve for x
    x = 29,953,030,973.58/161,158.80
  6. Step 6: Final answer
    x = 185,860.35

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1.5x scale

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.