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Finding the Fourth Proportional to 67,525.94, 101,223.99 and 45,345.50

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Solution

The fourth proportional to 67,525.94, 101,223.99 and 45,345.50 is: 67,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,525.94 : 101,223.99 = 45,345.50 : x
  2. Step 2: Convert to fraction form
    67,525.94/101,223.99 = 45,345.50/x
  3. Step 3: Cross multiply
    67,525.94x = 101,223.99 × 45,345.50
  4. Step 4: Simplify right side
    67,525.94x = 4,590,052,438.55
  5. Step 5: Solve for x
    x = 4,590,052,438.55/67,525.94
  6. Step 6: Final answer
    x = 67,974.65

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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.