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Finding the Fourth Proportional to 103,687.16, 155,555.46 and 33,566.49

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Solution

The fourth proportional to 103,687.16, 155,555.46 and 33,566.49 is: 50,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.16 : 155,555.46 = 33,566.49 : x
  2. Step 2: Convert to fraction form
    103,687.16/155,555.46 = 33,566.49/x
  3. Step 3: Cross multiply
    103,687.16x = 155,555.46 × 33,566.49
  4. Step 4: Simplify right side
    103,687.16x = 5,221,450,792.54
  5. Step 5: Solve for x
    x = 5,221,450,792.54/103,687.16
  6. Step 6: Final answer
    x = 50,357.74

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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.