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Finding the Fourth Proportional to 357,025.76, 535,540.48 and 120,370.49

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Solution

The fourth proportional to 357,025.76, 535,540.48 and 120,370.49 is: 180,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,025.76 : 535,540.48 = 120,370.49 : x
  2. Step 2: Convert to fraction form
    357,025.76/535,540.48 = 120,370.49/x
  3. Step 3: Cross multiply
    357,025.76x = 535,540.48 × 120,370.49
  4. Step 4: Simplify right side
    357,025.76x = 64,463,269,022.08
  5. Step 5: Solve for x
    x = 64,463,269,022.08/357,025.76
  6. Step 6: Final answer
    x = 180,556.35

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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.