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Finding the Fourth Proportional to 69,045.12, 103,502.07 and 44,014.91

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Solution

The fourth proportional to 69,045.12, 103,502.07 and 44,014.91 is: 65,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,045.12 : 103,502.07 = 44,014.91 : x
  2. Step 2: Convert to fraction form
    69,045.12/103,502.07 = 44,014.91/x
  3. Step 3: Cross multiply
    69,045.12x = 103,502.07 × 44,014.91
  4. Step 4: Simplify right side
    69,045.12x = 4,555,634,295.86
  5. Step 5: Solve for x
    x = 4,555,634,295.86/69,045.12
  6. Step 6: Final answer
    x = 65,980.54

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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.