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Finding the Fourth Proportional to 236,463.60, 354,954.60 and 131,228.40

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Solution

The fourth proportional to 236,463.60, 354,954.60 and 131,228.40 is: 196,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,463.60 : 354,954.60 = 131,228.40 : x
  2. Step 2: Convert to fraction form
    236,463.60/354,954.60 = 131,228.40/x
  3. Step 3: Cross multiply
    236,463.60x = 354,954.60 × 131,228.40
  4. Step 4: Simplify right side
    236,463.60x = 46,580,124,230.64
  5. Step 5: Solve for x
    x = 46,580,124,230.64/236,463.60
  6. Step 6: Final answer
    x = 196,986.45

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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.