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Finding the Fourth Proportional to 72,168.10, 108,264.57 and 24,780.94

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Solution

The fourth proportional to 72,168.10, 108,264.57 and 24,780.94 is: 37,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,168.10 : 108,264.57 = 24,780.94 : x
  2. Step 2: Convert to fraction form
    72,168.10/108,264.57 = 24,780.94/x
  3. Step 3: Cross multiply
    72,168.10x = 108,264.57 × 24,780.94
  4. Step 4: Simplify right side
    72,168.10x = 2,682,897,813.30
  5. Step 5: Solve for x
    x = 2,682,897,813.30/72,168.10
  6. Step 6: Final answer
    x = 37,175.67

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1.5x scale

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.