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Finding the Fourth Proportional to 104,773.85, 157,050.74 and 51,391.92

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Solution

The fourth proportional to 104,773.85, 157,050.74 and 51,391.92 is: 77,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,773.85 : 157,050.74 = 51,391.92 : x
  2. Step 2: Convert to fraction form
    104,773.85/157,050.74 = 51,391.92/x
  3. Step 3: Cross multiply
    104,773.85x = 157,050.74 × 51,391.92
  4. Step 4: Simplify right side
    104,773.85x = 8,071,138,412.84
  5. Step 5: Solve for x
    x = 8,071,138,412.84/104,773.85
  6. Step 6: Final answer
    x = 77,033.90

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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.