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Finding the Fourth Proportional to 254,499.50, 351,223.90 and 141,329.54

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Solution

The fourth proportional to 254,499.50, 351,223.90 and 141,329.54 is: 195,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,499.50 : 351,223.90 = 141,329.54 : x
  2. Step 2: Convert to fraction form
    254,499.50/351,223.90 = 141,329.54/x
  3. Step 3: Cross multiply
    254,499.50x = 351,223.90 × 141,329.54
  4. Step 4: Simplify right side
    254,499.50x = 49,638,312,224.01
  5. Step 5: Solve for x
    x = 49,638,312,224.01/254,499.50
  6. Step 6: Final answer
    x = 195,042.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.