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Finding the Fourth Proportional to 262,741.01, 394,111.33 and 85,248.02

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Solution

The fourth proportional to 262,741.01, 394,111.33 and 85,248.02 is: 127,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,741.01 : 394,111.33 = 85,248.02 : x
  2. Step 2: Convert to fraction form
    262,741.01/394,111.33 = 85,248.02/x
  3. Step 3: Cross multiply
    262,741.01x = 394,111.33 × 85,248.02
  4. Step 4: Simplify right side
    262,741.01x = 33,597,211,314.22
  5. Step 5: Solve for x
    x = 33,597,211,314.22/262,741.01
  6. Step 6: Final answer
    x = 127,871.98

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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.