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Finding the Fourth Proportional to 114,930.40, 158,600.74 and 69,635.20

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Solution

The fourth proportional to 114,930.40, 158,600.74 and 69,635.20 is: 96,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930.40 : 158,600.74 = 69,635.20 : x
  2. Step 2: Convert to fraction form
    114,930.40/158,600.74 = 69,635.20/x
  3. Step 3: Cross multiply
    114,930.40x = 158,600.74 × 69,635.20
  4. Step 4: Simplify right side
    114,930.40x = 11,044,194,250.05
  5. Step 5: Solve for x
    x = 11,044,194,250.05/114,930.40
  6. Step 6: Final answer
    x = 96,094.63

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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.