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Finding the Fourth Proportional to 176,211, 243,171.89 and 95,638.62

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Solution

The fourth proportional to 176,211, 243,171.89 and 95,638.62 is: 131,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,211 : 243,171.89 = 95,638.62 : x
  2. Step 2: Convert to fraction form
    176,211/243,171.89 = 95,638.62/x
  3. Step 3: Cross multiply
    176,211x = 243,171.89 × 95,638.62
  4. Step 4: Simplify right side
    176,211x = 23,256,623,982.39
  5. Step 5: Solve for x
    x = 23,256,623,982.39/176,211
  6. Step 6: Final answer
    x = 131,981.68

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1.5x scale

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.