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Finding the Fourth Proportional to 130,800.44, 195,934.34 and 119,901.90

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Solution

The fourth proportional to 130,800.44, 195,934.34 and 119,901.90 is: 179,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800.44 : 195,934.34 = 119,901.90 : x
  2. Step 2: Convert to fraction form
    130,800.44/195,934.34 = 119,901.90/x
  3. Step 3: Cross multiply
    130,800.44x = 195,934.34 × 119,901.90
  4. Step 4: Simplify right side
    130,800.44x = 23,492,899,641.25
  5. Step 5: Solve for x
    x = 23,492,899,641.25/130,800.44
  6. Step 6: Final answer
    x = 179,608.72

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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.