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Finding the Fourth Proportional to 79,353.55, 119,087.85 and 29,440.75

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Solution

The fourth proportional to 79,353.55, 119,087.85 and 29,440.75 is: 44,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.55 : 119,087.85 = 29,440.75 : x
  2. Step 2: Convert to fraction form
    79,353.55/119,087.85 = 29,440.75/x
  3. Step 3: Cross multiply
    79,353.55x = 119,087.85 × 29,440.75
  4. Step 4: Simplify right side
    79,353.55x = 3,506,035,619.89
  5. Step 5: Solve for x
    x = 3,506,035,619.89/79,353.55
  6. Step 6: Final answer
    x = 44,182.47

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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.