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Finding the Fourth Proportional to 157,334.97, 217,114.71 and 89,342.97

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Solution

The fourth proportional to 157,334.97, 217,114.71 and 89,342.97 is: 123,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,334.97 : 217,114.71 = 89,342.97 : x
  2. Step 2: Convert to fraction form
    157,334.97/217,114.71 = 89,342.97/x
  3. Step 3: Cross multiply
    157,334.97x = 217,114.71 × 89,342.97
  4. Step 4: Simplify right side
    157,334.97x = 19,397,673,022.09
  5. Step 5: Solve for x
    x = 19,397,673,022.09/157,334.97
  6. Step 6: Final answer
    x = 123,289.01

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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.