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Finding the Fourth Proportional to 60,790.50, 90,998.90 and 51,822.43

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Solution

The fourth proportional to 60,790.50, 90,998.90 and 51,822.43 is: 77,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,790.50 : 90,998.90 = 51,822.43 : x
  2. Step 2: Convert to fraction form
    60,790.50/90,998.90 = 51,822.43/x
  3. Step 3: Cross multiply
    60,790.50x = 90,998.90 × 51,822.43
  4. Step 4: Simplify right side
    60,790.50x = 4,715,783,866.21
  5. Step 5: Solve for x
    x = 4,715,783,866.21/60,790.50
  6. Step 6: Final answer
    x = 77,574.36

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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.