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Finding the Fourth Proportional to 109,361.40, 163,604.70 and 94,732.80

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Solution

The fourth proportional to 109,361.40, 163,604.70 and 94,732.80 is: 141,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.40 : 163,604.70 = 94,732.80 : x
  2. Step 2: Convert to fraction form
    109,361.40/163,604.70 = 94,732.80/x
  3. Step 3: Cross multiply
    109,361.40x = 163,604.70 × 94,732.80
  4. Step 4: Simplify right side
    109,361.40x = 15,498,731,324.16
  5. Step 5: Solve for x
    x = 15,498,731,324.16/109,361.40
  6. Step 6: Final answer
    x = 141,720.31

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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.