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Finding the Fourth Proportional to 118,850.58, 164,015.09 and 65,134.44

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Solution

The fourth proportional to 118,850.58, 164,015.09 and 65,134.44 is: 89,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.58 : 164,015.09 = 65,134.44 : x
  2. Step 2: Convert to fraction form
    118,850.58/164,015.09 = 65,134.44/x
  3. Step 3: Cross multiply
    118,850.58x = 164,015.09 × 65,134.44
  4. Step 4: Simplify right side
    118,850.58x = 10,683,031,279.52
  5. Step 5: Solve for x
    x = 10,683,031,279.52/118,850.58
  6. Step 6: Final answer
    x = 89,886.24

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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.