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Finding the Fourth Proportional to 100,047.14, 150,033.04 and 40,851.12

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Solution

The fourth proportional to 100,047.14, 150,033.04 and 40,851.12 is: 61,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,047.14 : 150,033.04 = 40,851.12 : x
  2. Step 2: Convert to fraction form
    100,047.14/150,033.04 = 40,851.12/x
  3. Step 3: Cross multiply
    100,047.14x = 150,033.04 × 40,851.12
  4. Step 4: Simplify right side
    100,047.14x = 6,129,017,516.75
  5. Step 5: Solve for x
    x = 6,129,017,516.75/100,047.14
  6. Step 6: Final answer
    x = 61,261.30

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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.