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Finding the Fourth Proportional to 79,773.32, 119,674.21 and 26,468.50

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Solution

The fourth proportional to 79,773.32, 119,674.21 and 26,468.50 is: 39,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.32 : 119,674.21 = 26,468.50 : x
  2. Step 2: Convert to fraction form
    79,773.32/119,674.21 = 26,468.50/x
  3. Step 3: Cross multiply
    79,773.32x = 119,674.21 × 26,468.50
  4. Step 4: Simplify right side
    79,773.32x = 3,167,596,393.53
  5. Step 5: Solve for x
    x = 3,167,596,393.53/79,773.32
  6. Step 6: Final answer
    x = 39,707.47

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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.