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Finding the Fourth Proportional to 178,672.43, 246,683.35 and 110,761.98

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Solution

The fourth proportional to 178,672.43, 246,683.35 and 110,761.98 is: 152,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,672.43 : 246,683.35 = 110,761.98 : x
  2. Step 2: Convert to fraction form
    178,672.43/246,683.35 = 110,761.98/x
  3. Step 3: Cross multiply
    178,672.43x = 246,683.35 × 110,761.98
  4. Step 4: Simplify right side
    178,672.43x = 27,323,136,568.50
  5. Step 5: Solve for x
    x = 27,323,136,568.50/178,672.43
  6. Step 6: Final answer
    x = 152,923.07

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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.