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Finding the Fourth Proportional to 246,670.65, 340,406.55 and 133,493.40

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Solution

The fourth proportional to 246,670.65, 340,406.55 and 133,493.40 is: 184,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,670.65 : 340,406.55 = 133,493.40 : x
  2. Step 2: Convert to fraction form
    246,670.65/340,406.55 = 133,493.40/x
  3. Step 3: Cross multiply
    246,670.65x = 340,406.55 × 133,493.40
  4. Step 4: Simplify right side
    246,670.65x = 45,442,027,741.77
  5. Step 5: Solve for x
    x = 45,442,027,741.77/246,670.65
  6. Step 6: Final answer
    x = 184,221.46

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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.