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Finding the Fourth Proportional to 104,701.76, 157,056.96 and 34,580.96

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Solution

The fourth proportional to 104,701.76, 157,056.96 and 34,580.96 is: 51,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,701.76 : 157,056.96 = 34,580.96 : x
  2. Step 2: Convert to fraction form
    104,701.76/157,056.96 = 34,580.96/x
  3. Step 3: Cross multiply
    104,701.76x = 157,056.96 × 34,580.96
  4. Step 4: Simplify right side
    104,701.76x = 5,431,180,451.48
  5. Step 5: Solve for x
    x = 5,431,180,451.48/104,701.76
  6. Step 6: Final answer
    x = 51,872.87

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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.