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Finding the Fourth Proportional to 246,269.95, 369,425.89 and 77,745.20

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Solution

The fourth proportional to 246,269.95, 369,425.89 and 77,745.20 is: 116,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,269.95 : 369,425.89 = 77,745.20 : x
  2. Step 2: Convert to fraction form
    246,269.95/369,425.89 = 77,745.20/x
  3. Step 3: Cross multiply
    246,269.95x = 369,425.89 × 77,745.20
  4. Step 4: Simplify right side
    246,269.95x = 28,721,089,703.23
  5. Step 5: Solve for x
    x = 28,721,089,703.23/246,269.95
  6. Step 6: Final answer
    x = 116,624.42

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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.