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Finding the Fourth Proportional to 98,156.66, 147,111.29 and 41,930.26

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Solution

The fourth proportional to 98,156.66, 147,111.29 and 41,930.26 is: 62,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,156.66 : 147,111.29 = 41,930.26 : x
  2. Step 2: Convert to fraction form
    98,156.66/147,111.29 = 41,930.26/x
  3. Step 3: Cross multiply
    98,156.66x = 147,111.29 × 41,930.26
  4. Step 4: Simplify right side
    98,156.66x = 6,168,414,218.44
  5. Step 5: Solve for x
    x = 6,168,414,218.44/98,156.66
  6. Step 6: Final answer
    x = 62,842.54

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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.