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Finding the Fourth Proportional to 236,559.60, 355,012.20 and 157,647.60

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Solution

The fourth proportional to 236,559.60, 355,012.20 and 157,647.60 is: 236,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,559.60 : 355,012.20 = 157,647.60 : x
  2. Step 2: Convert to fraction form
    236,559.60/355,012.20 = 157,647.60/x
  3. Step 3: Cross multiply
    236,559.60x = 355,012.20 × 157,647.60
  4. Step 4: Simplify right side
    236,559.60x = 55,966,821,300.72
  5. Step 5: Solve for x
    x = 55,966,821,300.72/236,559.60
  6. Step 6: Final answer
    x = 236,586.56

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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.