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Finding the Fourth Proportional to 254,696.63, 351,492.89 and 141,519.38

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Solution

The fourth proportional to 254,696.63, 351,492.89 and 141,519.38 is: 195,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,696.63 : 351,492.89 = 141,519.38 : x
  2. Step 2: Convert to fraction form
    254,696.63/351,492.89 = 141,519.38/x
  3. Step 3: Cross multiply
    254,696.63x = 351,492.89 × 141,519.38
  4. Step 4: Simplify right side
    254,696.63x = 49,743,053,402.15
  5. Step 5: Solve for x
    x = 49,743,053,402.15/254,696.63
  6. Step 6: Final answer
    x = 195,303.15

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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.