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Finding the Fourth Proportional to 119,802.58, 179,636.43 and 39,797.71

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Solution

The fourth proportional to 119,802.58, 179,636.43 and 39,797.71 is: 59,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.58 : 179,636.43 = 39,797.71 : x
  2. Step 2: Convert to fraction form
    119,802.58/179,636.43 = 39,797.71/x
  3. Step 3: Cross multiply
    119,802.58x = 179,636.43 × 39,797.71
  4. Step 4: Simplify right side
    119,802.58x = 7,149,119,257.18
  5. Step 5: Solve for x
    x = 7,149,119,257.18/119,802.58
  6. Step 6: Final answer
    x = 59,674.17

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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.