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Finding the Fourth Proportional to 119,706.55, 165,209.99 and 68,735.24

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Solution

The fourth proportional to 119,706.55, 165,209.99 and 68,735.24 is: 94,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,706.55 : 165,209.99 = 68,735.24 : x
  2. Step 2: Convert to fraction form
    119,706.55/165,209.99 = 68,735.24/x
  3. Step 3: Cross multiply
    119,706.55x = 165,209.99 × 68,735.24
  4. Step 4: Simplify right side
    119,706.55x = 11,355,748,313.05
  5. Step 5: Solve for x
    x = 11,355,748,313.05/119,706.55
  6. Step 6: Final answer
    x = 94,863.22

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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.