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Finding the Fourth Proportional to 117,892.77, 176,840.99 and 65,634.41

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Solution

The fourth proportional to 117,892.77, 176,840.99 and 65,634.41 is: 98,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.77 : 176,840.99 = 65,634.41 : x
  2. Step 2: Convert to fraction form
    117,892.77/176,840.99 = 65,634.41/x
  3. Step 3: Cross multiply
    117,892.77x = 176,840.99 × 65,634.41
  4. Step 4: Simplify right side
    117,892.77x = 11,606,852,830.09
  5. Step 5: Solve for x
    x = 11,606,852,830.09/117,892.77
  6. Step 6: Final answer
    x = 98,452.63

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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.