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Finding the Fourth Proportional to 119,744.40, 165,258.33 and 68,763.81

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Solution

The fourth proportional to 119,744.40, 165,258.33 and 68,763.81 is: 94,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.40 : 165,258.33 = 68,763.81 : x
  2. Step 2: Convert to fraction form
    119,744.40/165,258.33 = 68,763.81/x
  3. Step 3: Cross multiply
    119,744.40x = 165,258.33 × 68,763.81
  4. Step 4: Simplify right side
    119,744.40x = 11,363,792,405.04
  5. Step 5: Solve for x
    x = 11,363,792,405.04/119,744.40
  6. Step 6: Final answer
    x = 94,900.41

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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.