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Finding the Fourth Proportional to 194,960.20, 269,042.58 and 105,536.20

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Solution

The fourth proportional to 194,960.20, 269,042.58 and 105,536.20 is: 145,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,960.20 : 269,042.58 = 105,536.20 : x
  2. Step 2: Convert to fraction form
    194,960.20/269,042.58 = 105,536.20/x
  3. Step 3: Cross multiply
    194,960.20x = 269,042.58 × 105,536.20
  4. Step 4: Simplify right side
    194,960.20x = 28,393,731,531.40
  5. Step 5: Solve for x
    x = 28,393,731,531.40/194,960.20
  6. Step 6: Final answer
    x = 145,638.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.