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Finding the Fourth Proportional to 246,847.61, 340,647.74 and 133,670.36

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Solution

The fourth proportional to 246,847.61, 340,647.74 and 133,670.36 is: 184,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,847.61 : 340,647.74 = 133,670.36 : x
  2. Step 2: Convert to fraction form
    246,847.61/340,647.74 = 133,670.36/x
  3. Step 3: Cross multiply
    246,847.61x = 340,647.74 × 133,670.36
  4. Step 4: Simplify right side
    246,847.61x = 45,534,506,038.99
  5. Step 5: Solve for x
    x = 45,534,506,038.99/246,847.61
  6. Step 6: Final answer
    x = 184,464.03

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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.