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Finding the Fourth Proportional to 69,085.92, 103,617.90 and 24,704.40

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Solution

The fourth proportional to 69,085.92, 103,617.90 and 24,704.40 is: 37,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,085.92 : 103,617.90 = 24,704.40 : x
  2. Step 2: Convert to fraction form
    69,085.92/103,617.90 = 24,704.40/x
  3. Step 3: Cross multiply
    69,085.92x = 103,617.90 × 24,704.40
  4. Step 4: Simplify right side
    69,085.92x = 2,559,818,048.76
  5. Step 5: Solve for x
    x = 2,559,818,048.76/69,085.92
  6. Step 6: Final answer
    x = 37,052.67

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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.