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Finding the Fourth Proportional to 119,083.68, 178,625.52 and 92,808.18

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Solution

The fourth proportional to 119,083.68, 178,625.52 and 92,808.18 is: 139,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,083.68 : 178,625.52 = 92,808.18 : x
  2. Step 2: Convert to fraction form
    119,083.68/178,625.52 = 92,808.18/x
  3. Step 3: Cross multiply
    119,083.68x = 178,625.52 × 92,808.18
  4. Step 4: Simplify right side
    119,083.68x = 16,577,909,412.75
  5. Step 5: Solve for x
    x = 16,577,909,412.75/119,083.68
  6. Step 6: Final answer
    x = 139,212.27

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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.