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Finding the Fourth Proportional to 79,459.11, 119,188.76 and 29,551.77

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Solution

The fourth proportional to 79,459.11, 119,188.76 and 29,551.77 is: 44,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,459.11 : 119,188.76 = 29,551.77 : x
  2. Step 2: Convert to fraction form
    79,459.11/119,188.76 = 29,551.77/x
  3. Step 3: Cross multiply
    79,459.11x = 119,188.76 × 29,551.77
  4. Step 4: Simplify right side
    79,459.11x = 3,522,238,674.35
  5. Step 5: Solve for x
    x = 3,522,238,674.35/79,459.11
  6. Step 6: Final answer
    x = 44,327.69

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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.