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Finding the Fourth Proportional to 241,628.60, 333,490.92 and 139,640.06

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Solution

The fourth proportional to 241,628.60, 333,490.92 and 139,640.06 is: 192,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,628.60 : 333,490.92 = 139,640.06 : x
  2. Step 2: Convert to fraction form
    241,628.60/333,490.92 = 139,640.06/x
  3. Step 3: Cross multiply
    241,628.60x = 333,490.92 × 139,640.06
  4. Step 4: Simplify right side
    241,628.60x = 46,568,692,078.26
  5. Step 5: Solve for x
    x = 46,568,692,078.26/241,628.60
  6. Step 6: Final answer
    x = 192,728.39

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1.5x scale

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.