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Finding the Fourth Proportional to 67,846.30, 101,866.65 and 51,322.30

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Solution

The fourth proportional to 67,846.30, 101,866.65 and 51,322.30 is: 77,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,846.30 : 101,866.65 = 51,322.30 : x
  2. Step 2: Convert to fraction form
    67,846.30/101,866.65 = 51,322.30/x
  3. Step 3: Cross multiply
    67,846.30x = 101,866.65 × 51,322.30
  4. Step 4: Simplify right side
    67,846.30x = 5,228,030,771.30
  5. Step 5: Solve for x
    x = 5,228,030,771.30/67,846.30
  6. Step 6: Final answer
    x = 77,056.98

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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.