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Finding the Fourth Proportional to 119,776.91, 179,784.20 and 63,617.48

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Solution

The fourth proportional to 119,776.91, 179,784.20 and 63,617.48 is: 95,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,776.91 : 179,784.20 = 63,617.48 : x
  2. Step 2: Convert to fraction form
    119,776.91/179,784.20 = 63,617.48/x
  3. Step 3: Cross multiply
    119,776.91x = 179,784.20 × 63,617.48
  4. Step 4: Simplify right side
    119,776.91x = 11,437,416,530.81
  5. Step 5: Solve for x
    x = 11,437,416,530.81/119,776.91
  6. Step 6: Final answer
    x = 95,489.33

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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.