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Finding the Fourth Proportional to 119,617.14, 165,053.62 and 67,926.18

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Solution

The fourth proportional to 119,617.14, 165,053.62 and 67,926.18 is: 93,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,617.14 : 165,053.62 = 67,926.18 : x
  2. Step 2: Convert to fraction form
    119,617.14/165,053.62 = 67,926.18/x
  3. Step 3: Cross multiply
    119,617.14x = 165,053.62 × 67,926.18
  4. Step 4: Simplify right side
    119,617.14x = 11,211,461,901.77
  5. Step 5: Solve for x
    x = 11,211,461,901.77/119,617.14
  6. Step 6: Final answer
    x = 93,727.89

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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.