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Finding the Fourth Proportional to 104,885.10, 157,152.69 and 73,664.46

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Solution

The fourth proportional to 104,885.10, 157,152.69 and 73,664.46 is: 110,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,885.10 : 157,152.69 = 73,664.46 : x
  2. Step 2: Convert to fraction form
    104,885.10/157,152.69 = 73,664.46/x
  3. Step 3: Cross multiply
    104,885.10x = 157,152.69 × 73,664.46
  4. Step 4: Simplify right side
    104,885.10x = 11,576,568,046.40
  5. Step 5: Solve for x
    x = 11,576,568,046.40/104,885.10
  6. Step 6: Final answer
    x = 110,373.81

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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.