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Finding the Fourth Proportional to 67,762.86, 101,576.63 and 45,292.47

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Solution

The fourth proportional to 67,762.86, 101,576.63 and 45,292.47 is: 67,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,762.86 : 101,576.63 = 45,292.47 : x
  2. Step 2: Convert to fraction form
    67,762.86/101,576.63 = 45,292.47/x
  3. Step 3: Cross multiply
    67,762.86x = 101,576.63 × 45,292.47
  4. Step 4: Simplify right side
    67,762.86x = 4,600,656,466.98
  5. Step 5: Solve for x
    x = 4,600,656,466.98/67,762.86
  6. Step 6: Final answer
    x = 67,893.48

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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.