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Finding the Fourth Proportional to 180,887.94, 271,328.66 and 74,248.74

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Solution

The fourth proportional to 180,887.94, 271,328.66 and 74,248.74 is: 111,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,887.94 : 271,328.66 = 74,248.74 : x
  2. Step 2: Convert to fraction form
    180,887.94/271,328.66 = 74,248.74/x
  3. Step 3: Cross multiply
    180,887.94x = 271,328.66 × 74,248.74
  4. Step 4: Simplify right side
    180,887.94x = 20,145,809,959.87
  5. Step 5: Solve for x
    x = 20,145,809,959.87/180,887.94
  6. Step 6: Final answer
    x = 111,371.77

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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.