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Finding the Fourth Proportional to 237,042.60, 355,448.70 and 131,749.80

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Solution

The fourth proportional to 237,042.60, 355,448.70 and 131,749.80 is: 197,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,042.60 : 355,448.70 = 131,749.80 : x
  2. Step 2: Convert to fraction form
    237,042.60/355,448.70 = 131,749.80/x
  3. Step 3: Cross multiply
    237,042.60x = 355,448.70 × 131,749.80
  4. Step 4: Simplify right side
    237,042.60x = 46,830,295,135.26
  5. Step 5: Solve for x
    x = 46,830,295,135.26/237,042.60
  6. Step 6: Final answer
    x = 197,560.67

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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.