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Finding the Fourth Proportional to 401,092.08, 601,642.98 and 134,851.56

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Solution

The fourth proportional to 401,092.08, 601,642.98 and 134,851.56 is: 202,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,092.08 : 601,642.98 = 134,851.56 : x
  2. Step 2: Convert to fraction form
    401,092.08/601,642.98 = 134,851.56/x
  3. Step 3: Cross multiply
    401,092.08x = 601,642.98 × 134,851.56
  4. Step 4: Simplify right side
    401,092.08x = 81,132,494,416.05
  5. Step 5: Solve for x
    x = 81,132,494,416.05/401,092.08
  6. Step 6: Final answer
    x = 202,278.97

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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.