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Finding the Fourth Proportional to 254,578.44, 351,327.06 and 141,411.72

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Solution

The fourth proportional to 254,578.44, 351,327.06 and 141,411.72 is: 195,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,578.44 : 351,327.06 = 141,411.72 : x
  2. Step 2: Convert to fraction form
    254,578.44/351,327.06 = 141,411.72/x
  3. Step 3: Cross multiply
    254,578.44x = 351,327.06 × 141,411.72
  4. Step 4: Simplify right side
    254,578.44x = 49,681,763,837.14
  5. Step 5: Solve for x
    x = 49,681,763,837.14/254,578.44
  6. Step 6: Final answer
    x = 195,153.07

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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.