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Finding the Fourth Proportional to 104,170.58, 156,263.16 and 51,565.94

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Solution

The fourth proportional to 104,170.58, 156,263.16 and 51,565.94 is: 77,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.58 : 156,263.16 = 51,565.94 : x
  2. Step 2: Convert to fraction form
    104,170.58/156,263.16 = 51,565.94/x
  3. Step 3: Cross multiply
    104,170.58x = 156,263.16 × 51,565.94
  4. Step 4: Simplify right side
    104,170.58x = 8,057,856,732.77
  5. Step 5: Solve for x
    x = 8,057,856,732.77/104,170.58
  6. Step 6: Final answer
    x = 77,352.52

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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.