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Finding the Fourth Proportional to 72,088.96, 108,137.04 and 27,700.12

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Solution

The fourth proportional to 72,088.96, 108,137.04 and 27,700.12 is: 41,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,088.96 : 108,137.04 = 27,700.12 : x
  2. Step 2: Convert to fraction form
    72,088.96/108,137.04 = 27,700.12/x
  3. Step 3: Cross multiply
    72,088.96x = 108,137.04 × 27,700.12
  4. Step 4: Simplify right side
    72,088.96x = 2,995,408,984.44
  5. Step 5: Solve for x
    x = 2,995,408,984.44/72,088.96
  6. Step 6: Final answer
    x = 41,551.56

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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.