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Finding the Fourth Proportional to 169,666.96, 234,159 and 97,076.56

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Solution

The fourth proportional to 169,666.96, 234,159 and 97,076.56 is: 133,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.96 : 234,159 = 97,076.56 : x
  2. Step 2: Convert to fraction form
    169,666.96/234,159 = 97,076.56/x
  3. Step 3: Cross multiply
    169,666.96x = 234,159 × 97,076.56
  4. Step 4: Simplify right side
    169,666.96x = 22,731,350,213.04
  5. Step 5: Solve for x
    x = 22,731,350,213.04/169,666.96
  6. Step 6: Final answer
    x = 133,976.29

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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.