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Finding the Fourth Proportional to 104,443.74, 156,719.61 and 51,852.06

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Solution

The fourth proportional to 104,443.74, 156,719.61 and 51,852.06 is: 77,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,443.74 : 156,719.61 = 51,852.06 : x
  2. Step 2: Convert to fraction form
    104,443.74/156,719.61 = 51,852.06/x
  3. Step 3: Cross multiply
    104,443.74x = 156,719.61 × 51,852.06
  4. Step 4: Simplify right side
    104,443.74x = 8,126,234,620.90
  5. Step 5: Solve for x
    x = 8,126,234,620.90/104,443.74
  6. Step 6: Final answer
    x = 77,804.90

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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.