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Finding the Fourth Proportional to 73,930.20, 110,895.30 and 27,173.40

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Solution

The fourth proportional to 73,930.20, 110,895.30 and 27,173.40 is: 40,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,930.20 : 110,895.30 = 27,173.40 : x
  2. Step 2: Convert to fraction form
    73,930.20/110,895.30 = 27,173.40/x
  3. Step 3: Cross multiply
    73,930.20x = 110,895.30 × 27,173.40
  4. Step 4: Simplify right side
    73,930.20x = 3,013,402,345.02
  5. Step 5: Solve for x
    x = 3,013,402,345.02/73,930.20
  6. Step 6: Final answer
    x = 40,760.10

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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.