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Finding the Fourth Proportional to 100,569.53, 150,851.93 and 50,636.21

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Solution

The fourth proportional to 100,569.53, 150,851.93 and 50,636.21 is: 75,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,569.53 : 150,851.93 = 50,636.21 : x
  2. Step 2: Convert to fraction form
    100,569.53/150,851.93 = 50,636.21/x
  3. Step 3: Cross multiply
    100,569.53x = 150,851.93 × 50,636.21
  4. Step 4: Simplify right side
    100,569.53x = 7,638,568,998.94
  5. Step 5: Solve for x
    x = 7,638,568,998.94/100,569.53
  6. Step 6: Final answer
    x = 75,953.11

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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.