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Finding the Fourth Proportional to 136,012.40, 204,047.40 and 41,234.80

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Solution

The fourth proportional to 136,012.40, 204,047.40 and 41,234.80 is: 61,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,012.40 : 204,047.40 = 41,234.80 : x
  2. Step 2: Convert to fraction form
    136,012.40/204,047.40 = 41,234.80/x
  3. Step 3: Cross multiply
    136,012.40x = 204,047.40 × 41,234.80
  4. Step 4: Simplify right side
    136,012.40x = 8,413,853,729.52
  5. Step 5: Solve for x
    x = 8,413,853,729.52/136,012.40
  6. Step 6: Final answer
    x = 61,860.93

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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.