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Finding the Fourth Proportional to 181,691.58, 272,555.52 and 69,466.20

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Solution

The fourth proportional to 181,691.58, 272,555.52 and 69,466.20 is: 104,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691.58 : 272,555.52 = 69,466.20 : x
  2. Step 2: Convert to fraction form
    181,691.58/272,555.52 = 69,466.20/x
  3. Step 3: Cross multiply
    181,691.58x = 272,555.52 × 69,466.20
  4. Step 4: Simplify right side
    181,691.58x = 18,933,396,263.42
  5. Step 5: Solve for x
    x = 18,933,396,263.42/181,691.58
  6. Step 6: Final answer
    x = 104,206.24

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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.