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Finding the Fourth Proportional to 180,887.59, 271,384.44 and 81,025.57

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Solution

The fourth proportional to 180,887.59, 271,384.44 and 81,025.57 is: 121,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,887.59 : 271,384.44 = 81,025.57 : x
  2. Step 2: Convert to fraction form
    180,887.59/271,384.44 = 81,025.57/x
  3. Step 3: Cross multiply
    180,887.59x = 271,384.44 × 81,025.57
  4. Step 4: Simplify right side
    180,887.59x = 21,989,078,940.13
  5. Step 5: Solve for x
    x = 21,989,078,940.13/180,887.59
  6. Step 6: Final answer
    x = 121,562.12

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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.