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Finding the Fourth Proportional to 119,683.08, 179,505.15 and 56,503.08

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Solution

The fourth proportional to 119,683.08, 179,505.15 and 56,503.08 is: 84,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,683.08 : 179,505.15 = 56,503.08 : x
  2. Step 2: Convert to fraction form
    119,683.08/179,505.15 = 56,503.08/x
  3. Step 3: Cross multiply
    119,683.08x = 179,505.15 × 56,503.08
  4. Step 4: Simplify right side
    119,683.08x = 10,142,593,850.86
  5. Step 5: Solve for x
    x = 10,142,593,850.86/119,683.08
  6. Step 6: Final answer
    x = 84,745.43

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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.