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Finding the Fourth Proportional to 180,157.49, 269,842.57 and 91,258.37

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Solution

The fourth proportional to 180,157.49, 269,842.57 and 91,258.37 is: 136,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.49 : 269,842.57 = 91,258.37 : x
  2. Step 2: Convert to fraction form
    180,157.49/269,842.57 = 91,258.37/x
  3. Step 3: Cross multiply
    180,157.49x = 269,842.57 × 91,258.37
  4. Step 4: Simplify right side
    180,157.49x = 24,625,391,517.45
  5. Step 5: Solve for x
    x = 24,625,391,517.45/180,157.49
  6. Step 6: Final answer
    x = 136,688.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.