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Finding the Fourth Proportional to 178,494.44, 246,280.08 and 100,971.87

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Solution

The fourth proportional to 178,494.44, 246,280.08 and 100,971.87 is: 139,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,494.44 : 246,280.08 = 100,971.87 : x
  2. Step 2: Convert to fraction form
    178,494.44/246,280.08 = 100,971.87/x
  3. Step 3: Cross multiply
    178,494.44x = 246,280.08 × 100,971.87
  4. Step 4: Simplify right side
    178,494.44x = 24,867,359,444.85
  5. Step 5: Solve for x
    x = 24,867,359,444.85/178,494.44
  6. Step 6: Final answer
    x = 139,317.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.