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Finding the Fourth Proportional to 246,661.75, 340,394.22 and 133,484.50

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Solution

The fourth proportional to 246,661.75, 340,394.22 and 133,484.50 is: 184,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,661.75 : 340,394.22 = 133,484.50 : x
  2. Step 2: Convert to fraction form
    246,661.75/340,394.22 = 133,484.50/x
  3. Step 3: Cross multiply
    246,661.75x = 340,394.22 × 133,484.50
  4. Step 4: Simplify right side
    246,661.75x = 45,437,349,890.20
  5. Step 5: Solve for x
    x = 45,437,349,890.20/246,661.75
  6. Step 6: Final answer
    x = 184,209.15

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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.