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Finding the Fourth Proportional to 73,344.60, 110,033.42 and 39,609.87

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Solution

The fourth proportional to 73,344.60, 110,033.42 and 39,609.87 is: 59,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,344.60 : 110,033.42 = 39,609.87 : x
  2. Step 2: Convert to fraction form
    73,344.60/110,033.42 = 39,609.87/x
  3. Step 3: Cross multiply
    73,344.60x = 110,033.42 × 39,609.87
  4. Step 4: Simplify right side
    73,344.60x = 4,358,409,263.81
  5. Step 5: Solve for x
    x = 4,358,409,263.81/73,344.60
  6. Step 6: Final answer
    x = 59,423.72

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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.