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Finding the Fourth Proportional to 100,040.65, 150,060.98 and 40,876.27

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Solution

The fourth proportional to 100,040.65, 150,060.98 and 40,876.27 is: 61,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,040.65 : 150,060.98 = 40,876.27 : x
  2. Step 2: Convert to fraction form
    100,040.65/150,060.98 = 40,876.27/x
  3. Step 3: Cross multiply
    100,040.65x = 150,060.98 × 40,876.27
  4. Step 4: Simplify right side
    100,040.65x = 6,133,932,708.70
  5. Step 5: Solve for x
    x = 6,133,932,708.70/100,040.65
  6. Step 6: Final answer
    x = 61,314.40

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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.