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Finding the Fourth Proportional to 103,687.03, 155,555.28 and 33,566.37

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Solution

The fourth proportional to 103,687.03, 155,555.28 and 33,566.37 is: 50,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.03 : 155,555.28 = 33,566.37 : x
  2. Step 2: Convert to fraction form
    103,687.03/155,555.28 = 33,566.37/x
  3. Step 3: Cross multiply
    103,687.03x = 155,555.28 × 33,566.37
  4. Step 4: Simplify right side
    103,687.03x = 5,221,426,083.93
  5. Step 5: Solve for x
    x = 5,221,426,083.93/103,687.03
  6. Step 6: Final answer
    x = 50,357.56

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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.