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Finding the Fourth Proportional to 72,093.29, 108,142.90 and 24,740.91

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Solution

The fourth proportional to 72,093.29, 108,142.90 and 24,740.91 is: 37,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,093.29 : 108,142.90 = 24,740.91 : x
  2. Step 2: Convert to fraction form
    72,093.29/108,142.90 = 24,740.91/x
  3. Step 3: Cross multiply
    72,093.29x = 108,142.90 × 24,740.91
  4. Step 4: Simplify right side
    72,093.29x = 2,675,553,694.19
  5. Step 5: Solve for x
    x = 2,675,553,694.19/72,093.29
  6. Step 6: Final answer
    x = 37,112.38

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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.