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Finding the Fourth Proportional to 178,804.50, 246,741.39 and 107,170.62

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Solution

The fourth proportional to 178,804.50, 246,741.39 and 107,170.62 is: 147,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,804.50 : 246,741.39 = 107,170.62 : x
  2. Step 2: Convert to fraction form
    178,804.50/246,741.39 = 107,170.62/x
  3. Step 3: Cross multiply
    178,804.50x = 246,741.39 × 107,170.62
  4. Step 4: Simplify right side
    178,804.50x = 26,443,427,745.96
  5. Step 5: Solve for x
    x = 26,443,427,745.96/178,804.50
  6. Step 6: Final answer
    x = 147,890.17

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1.5x scale

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.