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Finding the Fourth Proportional to 246,907.44, 370,323.23 and 78,405.91

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Solution

The fourth proportional to 246,907.44, 370,323.23 and 78,405.91 is: 117,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,907.44 : 370,323.23 = 78,405.91 : x
  2. Step 2: Convert to fraction form
    246,907.44/370,323.23 = 78,405.91/x
  3. Step 3: Cross multiply
    246,907.44x = 370,323.23 × 78,405.91
  4. Step 4: Simplify right side
    246,907.44x = 29,035,528,524.45
  5. Step 5: Solve for x
    x = 29,035,528,524.45/246,907.44
  6. Step 6: Final answer
    x = 117,596.81

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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.