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Finding the Fourth Proportional to 119,677.91, 165,154.14 and 67,994.64

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Solution

The fourth proportional to 119,677.91, 165,154.14 and 67,994.64 is: 93,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,677.91 : 165,154.14 = 67,994.64 : x
  2. Step 2: Convert to fraction form
    119,677.91/165,154.14 = 67,994.64/x
  3. Step 3: Cross multiply
    119,677.91x = 165,154.14 × 67,994.64
  4. Step 4: Simplify right side
    119,677.91x = 11,229,596,293.81
  5. Step 5: Solve for x
    x = 11,229,596,293.81/119,677.91
  6. Step 6: Final answer
    x = 93,831.83

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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.