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Finding the Fourth Proportional to 98,153.91, 147,241.10 and 27,076.56

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Solution

The fourth proportional to 98,153.91, 147,241.10 and 27,076.56 is: 40,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,153.91 : 147,241.10 = 27,076.56 : x
  2. Step 2: Convert to fraction form
    98,153.91/147,241.10 = 27,076.56/x
  3. Step 3: Cross multiply
    98,153.91x = 147,241.10 × 27,076.56
  4. Step 4: Simplify right side
    98,153.91x = 3,986,782,343.23
  5. Step 5: Solve for x
    x = 3,986,782,343.23/98,153.91
  6. Step 6: Final answer
    x = 40,617.66

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1.5x scale

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.