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Finding the Fourth Proportional to 136,468.40, 204,674.36 and 36,604.85

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Solution

The fourth proportional to 136,468.40, 204,674.36 and 36,604.85 is: 54,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.40 : 204,674.36 = 36,604.85 : x
  2. Step 2: Convert to fraction form
    136,468.40/204,674.36 = 36,604.85/x
  3. Step 3: Cross multiply
    136,468.40x = 204,674.36 × 36,604.85
  4. Step 4: Simplify right side
    136,468.40x = 7,492,073,040.25
  5. Step 5: Solve for x
    x = 7,492,073,040.25/136,468.40
  6. Step 6: Final answer
    x = 54,899.69

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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.