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Finding the Fourth Proportional to 118,887.57, 164,081.73 and 73,580.14

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Solution

The fourth proportional to 118,887.57, 164,081.73 and 73,580.14 is: 101,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887.57 : 164,081.73 = 73,580.14 : x
  2. Step 2: Convert to fraction form
    118,887.57/164,081.73 = 73,580.14/x
  3. Step 3: Cross multiply
    118,887.57x = 164,081.73 × 73,580.14
  4. Step 4: Simplify right side
    118,887.57x = 12,073,156,664.84
  5. Step 5: Solve for x
    x = 12,073,156,664.84/118,887.57
  6. Step 6: Final answer
    x = 101,551.05

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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.