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Finding the Fourth Proportional to 73,108.60, 109,662.90 and 26,366.20

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Solution

The fourth proportional to 73,108.60, 109,662.90 and 26,366.20 is: 39,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.60 : 109,662.90 = 26,366.20 : x
  2. Step 2: Convert to fraction form
    73,108.60/109,662.90 = 26,366.20/x
  3. Step 3: Cross multiply
    73,108.60x = 109,662.90 × 26,366.20
  4. Step 4: Simplify right side
    73,108.60x = 2,891,393,953.98
  5. Step 5: Solve for x
    x = 2,891,393,953.98/73,108.60
  6. Step 6: Final answer
    x = 39,549.30

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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.