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Finding the Fourth Proportional to 241,263.90, 332,894.34 and 139,287.60

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Solution

The fourth proportional to 241,263.90, 332,894.34 and 139,287.60 is: 192,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,263.90 : 332,894.34 = 139,287.60 : x
  2. Step 2: Convert to fraction form
    241,263.90/332,894.34 = 139,287.60/x
  3. Step 3: Cross multiply
    241,263.90x = 332,894.34 × 139,287.60
  4. Step 4: Simplify right side
    241,263.90x = 46,368,053,672.18
  5. Step 5: Solve for x
    x = 46,368,053,672.18/241,263.90
  6. Step 6: Final answer
    x = 192,188.11

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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.