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Finding the Fourth Proportional to 118,908, 164,093.04 and 68,607

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Solution

The fourth proportional to 118,908, 164,093.04 and 68,607 is: 94,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908 : 164,093.04 = 68,607 : x
  2. Step 2: Convert to fraction form
    118,908/164,093.04 = 68,607/x
  3. Step 3: Cross multiply
    118,908x = 164,093.04 × 68,607
  4. Step 4: Simplify right side
    118,908x = 11,257,931,195.28
  5. Step 5: Solve for x
    x = 11,257,931,195.28/118,908
  6. Step 6: Final answer
    x = 94,677.66

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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.