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Finding the Fourth Proportional to 69,821.00, 96,050.63 and 61,168.22

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Solution

The fourth proportional to 69,821.00, 96,050.63 and 61,168.22 is: 84,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.00 : 96,050.63 = 61,168.22 : x
  2. Step 2: Convert to fraction form
    69,821.00/96,050.63 = 61,168.22/x
  3. Step 3: Cross multiply
    69,821.00x = 96,050.63 × 61,168.22
  4. Step 4: Simplify right side
    69,821.00x = 5,875,245,518.32
  5. Step 5: Solve for x
    x = 5,875,245,518.32/69,821.00
  6. Step 6: Final answer
    x = 84,147.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.