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Finding the Fourth Proportional to 262,681.52, 394,181.64 and 104,896.76

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Solution

The fourth proportional to 262,681.52, 394,181.64 and 104,896.76 is: 157,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,681.52 : 394,181.64 = 104,896.76 : x
  2. Step 2: Convert to fraction form
    262,681.52/394,181.64 = 104,896.76/x
  3. Step 3: Cross multiply
    262,681.52x = 394,181.64 × 104,896.76
  4. Step 4: Simplify right side
    262,681.52x = 41,348,374,916.58
  5. Step 5: Solve for x
    x = 41,348,374,916.58/262,681.52
  6. Step 6: Final answer
    x = 157,408.77

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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.