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Finding the Fourth Proportional to 236,558.94, 354,948.60 and 118,238.46

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Solution

The fourth proportional to 236,558.94, 354,948.60 and 118,238.46 is: 177,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,558.94 : 354,948.60 = 118,238.46 : x
  2. Step 2: Convert to fraction form
    236,558.94/354,948.60 = 118,238.46/x
  3. Step 3: Cross multiply
    236,558.94x = 354,948.60 × 118,238.46
  4. Step 4: Simplify right side
    236,558.94x = 41,968,575,843.16
  5. Step 5: Solve for x
    x = 41,968,575,843.16/236,558.94
  6. Step 6: Final answer
    x = 177,412.77

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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.