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Finding the Fourth Proportional to 118,887.07, 164,081.04 and 73,579.64

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Solution

The fourth proportional to 118,887.07, 164,081.04 and 73,579.64 is: 101,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887.07 : 164,081.04 = 73,579.64 : x
  2. Step 2: Convert to fraction form
    118,887.07/164,081.04 = 73,579.64/x
  3. Step 3: Cross multiply
    118,887.07x = 164,081.04 × 73,579.64
  4. Step 4: Simplify right side
    118,887.07x = 12,073,024,094.54
  5. Step 5: Solve for x
    x = 12,073,024,094.54/118,887.07
  6. Step 6: Final answer
    x = 101,550.36

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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.