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Finding the Fourth Proportional to 157,859.70, 217,850.76 and 88,960.29

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Solution

The fourth proportional to 157,859.70, 217,850.76 and 88,960.29 is: 122,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,859.70 : 217,850.76 = 88,960.29 : x
  2. Step 2: Convert to fraction form
    157,859.70/217,850.76 = 88,960.29/x
  3. Step 3: Cross multiply
    157,859.70x = 217,850.76 × 88,960.29
  4. Step 4: Simplify right side
    157,859.70x = 19,380,066,786.32
  5. Step 5: Solve for x
    x = 19,380,066,786.32/157,859.70
  6. Step 6: Final answer
    x = 122,767.67

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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.