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Finding the Fourth Proportional to 63,174.50, 94,762.20 and 43,393.10

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Solution

The fourth proportional to 63,174.50, 94,762.20 and 43,393.10 is: 65,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,174.50 : 94,762.20 = 43,393.10 : x
  2. Step 2: Convert to fraction form
    63,174.50/94,762.20 = 43,393.10/x
  3. Step 3: Cross multiply
    63,174.50x = 94,762.20 × 43,393.10
  4. Step 4: Simplify right side
    63,174.50x = 4,112,025,620.82
  5. Step 5: Solve for x
    x = 4,112,025,620.82/63,174.50
  6. Step 6: Final answer
    x = 65,089.96

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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.