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Finding the Fourth Proportional to 246,706.55, 340,418.80 and 137,797.46

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Solution

The fourth proportional to 246,706.55, 340,418.80 and 137,797.46 is: 190,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,706.55 : 340,418.80 = 137,797.46 : x
  2. Step 2: Convert to fraction form
    246,706.55/340,418.80 = 137,797.46/x
  3. Step 3: Cross multiply
    246,706.55x = 340,418.80 × 137,797.46
  4. Step 4: Simplify right side
    246,706.55x = 46,908,846,482.80
  5. Step 5: Solve for x
    x = 46,908,846,482.80/246,706.55
  6. Step 6: Final answer
    x = 190,140.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.