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Finding the Fourth Proportional to 117,726.60, 176,330.70 and 104,593.80

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Solution

The fourth proportional to 117,726.60, 176,330.70 and 104,593.80 is: 156,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,726.60 : 176,330.70 = 104,593.80 : x
  2. Step 2: Convert to fraction form
    117,726.60/176,330.70 = 104,593.80/x
  3. Step 3: Cross multiply
    117,726.60x = 176,330.70 × 104,593.80
  4. Step 4: Simplify right side
    117,726.60x = 18,443,097,969.66
  5. Step 5: Solve for x
    x = 18,443,097,969.66/117,726.60
  6. Step 6: Final answer
    x = 156,660.41

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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.