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Finding the Fourth Proportional to 117,906.40, 176,859.60 and 94,578.40

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Solution

The fourth proportional to 117,906.40, 176,859.60 and 94,578.40 is: 141,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,906.40 : 176,859.60 = 94,578.40 : x
  2. Step 2: Convert to fraction form
    117,906.40/176,859.60 = 94,578.40/x
  3. Step 3: Cross multiply
    117,906.40x = 176,859.60 × 94,578.40
  4. Step 4: Simplify right side
    117,906.40x = 16,727,097,992.64
  5. Step 5: Solve for x
    x = 16,727,097,992.64/117,906.40
  6. Step 6: Final answer
    x = 141,867.60

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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.