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Finding the Fourth Proportional to 246,978.23, 340,830.29 and 133,800.98

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Solution

The fourth proportional to 246,978.23, 340,830.29 and 133,800.98 is: 184,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,978.23 : 340,830.29 = 133,800.98 : x
  2. Step 2: Convert to fraction form
    246,978.23/340,830.29 = 133,800.98/x
  3. Step 3: Cross multiply
    246,978.23x = 340,830.29 × 133,800.98
  4. Step 4: Simplify right side
    246,978.23x = 45,603,426,815.68
  5. Step 5: Solve for x
    x = 45,603,426,815.68/246,978.23
  6. Step 6: Final answer
    x = 184,645.53

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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.