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Finding the Fourth Proportional to 237,048.60, 355,457.70 and 131,755.80

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Solution

The fourth proportional to 237,048.60, 355,457.70 and 131,755.80 is: 197,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,048.60 : 355,457.70 = 131,755.80 : x
  2. Step 2: Convert to fraction form
    237,048.60/355,457.70 = 131,755.80/x
  3. Step 3: Cross multiply
    237,048.60x = 355,457.70 × 131,755.80
  4. Step 4: Simplify right side
    237,048.60x = 46,833,613,629.66
  5. Step 5: Solve for x
    x = 46,833,613,629.66/237,048.60
  6. Step 6: Final answer
    x = 197,569.67

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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.