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Finding the Fourth Proportional to 97,433.80, 146,139.90 and 27,320.20

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Solution

The fourth proportional to 97,433.80, 146,139.90 and 27,320.20 is: 40,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,433.80 : 146,139.90 = 27,320.20 : x
  2. Step 2: Convert to fraction form
    97,433.80/146,139.90 = 27,320.20/x
  3. Step 3: Cross multiply
    97,433.80x = 146,139.90 × 27,320.20
  4. Step 4: Simplify right side
    97,433.80x = 3,992,571,295.98
  5. Step 5: Solve for x
    x = 3,992,571,295.98/97,433.80
  6. Step 6: Final answer
    x = 40,977.27

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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.