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Finding the Fourth Proportional to 100,535.34, 150,803.28 and 33,957.66

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Solution

The fourth proportional to 100,535.34, 150,803.28 and 33,957.66 is: 50,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,535.34 : 150,803.28 = 33,957.66 : x
  2. Step 2: Convert to fraction form
    100,535.34/150,803.28 = 33,957.66/x
  3. Step 3: Cross multiply
    100,535.34x = 150,803.28 × 33,957.66
  4. Step 4: Simplify right side
    100,535.34x = 5,120,926,509.12
  5. Step 5: Solve for x
    x = 5,120,926,509.12/100,535.34
  6. Step 6: Final answer
    x = 50,936.58

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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.