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Finding the Fourth Proportional to 98,908.96, 148,185.06 and 60,892.07

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Solution

The fourth proportional to 98,908.96, 148,185.06 and 60,892.07 is: 91,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,908.96 : 148,185.06 = 60,892.07 : x
  2. Step 2: Convert to fraction form
    98,908.96/148,185.06 = 60,892.07/x
  3. Step 3: Cross multiply
    98,908.96x = 148,185.06 × 60,892.07
  4. Step 4: Simplify right side
    98,908.96x = 9,023,295,046.47
  5. Step 5: Solve for x
    x = 9,023,295,046.47/98,908.96
  6. Step 6: Final answer
    x = 91,228.29

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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.