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Finding the Fourth Proportional to 114,022.62, 157,312.67 and 66,236.67

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Solution

The fourth proportional to 114,022.62, 157,312.67 and 66,236.67 is: 91,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.62 : 157,312.67 = 66,236.67 : x
  2. Step 2: Convert to fraction form
    114,022.62/157,312.67 = 66,236.67/x
  3. Step 3: Cross multiply
    114,022.62x = 157,312.67 × 66,236.67
  4. Step 4: Simplify right side
    114,022.62x = 10,419,867,078.43
  5. Step 5: Solve for x
    x = 10,419,867,078.43/114,022.62
  6. Step 6: Final answer
    x = 91,384.21

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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.