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Finding the Fourth Proportional to 240,890.80, 361,558.32 and 122,647.36

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Solution

The fourth proportional to 240,890.80, 361,558.32 and 122,647.36 is: 184,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,890.80 : 361,558.32 = 122,647.36 : x
  2. Step 2: Convert to fraction form
    240,890.80/361,558.32 = 122,647.36/x
  3. Step 3: Cross multiply
    240,890.80x = 361,558.32 × 122,647.36
  4. Step 4: Simplify right side
    240,890.80x = 44,344,173,434.04
  5. Step 5: Solve for x
    x = 44,344,173,434.04/240,890.80
  6. Step 6: Final answer
    x = 184,084.13

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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.