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Finding the Fourth Proportional to 170,241.57, 234,924.32 and 97,640.71

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Solution

The fourth proportional to 170,241.57, 234,924.32 and 97,640.71 is: 134,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,241.57 : 234,924.32 = 97,640.71 : x
  2. Step 2: Convert to fraction form
    170,241.57/234,924.32 = 97,640.71/x
  3. Step 3: Cross multiply
    170,241.57x = 234,924.32 × 97,640.71
  4. Step 4: Simplify right side
    170,241.57x = 22,938,177,057.86
  5. Step 5: Solve for x
    x = 22,938,177,057.86/170,241.57
  6. Step 6: Final answer
    x = 134,738.99

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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.