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Finding the Fourth Proportional to 254,876.63, 351,744.32 and 141,706.67

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Solution

The fourth proportional to 254,876.63, 351,744.32 and 141,706.67 is: 195,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,876.63 : 351,744.32 = 141,706.67 : x
  2. Step 2: Convert to fraction form
    254,876.63/351,744.32 = 141,706.67/x
  3. Step 3: Cross multiply
    254,876.63x = 351,744.32 × 141,706.67
  4. Step 4: Simplify right side
    254,876.63x = 49,844,514,874.16
  5. Step 5: Solve for x
    x = 49,844,514,874.16/254,876.63
  6. Step 6: Final answer
    x = 195,563.30

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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.