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Finding the Fourth Proportional to 130,355.70, 179,797.92 and 119,635.13

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Solution

The fourth proportional to 130,355.70, 179,797.92 and 119,635.13 is: 165,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,355.70 : 179,797.92 = 119,635.13 : x
  2. Step 2: Convert to fraction form
    130,355.70/179,797.92 = 119,635.13/x
  3. Step 3: Cross multiply
    130,355.70x = 179,797.92 × 119,635.13
  4. Step 4: Simplify right side
    130,355.70x = 21,510,146,633.94
  5. Step 5: Solve for x
    x = 21,510,146,633.94/130,355.70
  6. Step 6: Final answer
    x = 165,011.17

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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.