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Finding the Fourth Proportional to 89,859, 134,696.34 and 37,299

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Solution

The fourth proportional to 89,859, 134,696.34 and 37,299 is: 55,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859 : 134,696.34 = 37,299 : x
  2. Step 2: Convert to fraction form
    89,859/134,696.34 = 37,299/x
  3. Step 3: Cross multiply
    89,859x = 134,696.34 × 37,299
  4. Step 4: Simplify right side
    89,859x = 5,024,038,785.66
  5. Step 5: Solve for x
    x = 5,024,038,785.66/89,859
  6. Step 6: Final answer
    x = 55,910.25

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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.