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Finding the Fourth Proportional to 254,554, 351,291.81 and 141,384.04

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Solution

The fourth proportional to 254,554, 351,291.81 and 141,384.04 is: 195,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,554 : 351,291.81 = 141,384.04 : x
  2. Step 2: Convert to fraction form
    254,554/351,291.81 = 141,384.04/x
  3. Step 3: Cross multiply
    254,554x = 351,291.81 × 141,384.04
  4. Step 4: Simplify right side
    254,554x = 49,667,055,316.71
  5. Step 5: Solve for x
    x = 49,667,055,316.71/254,554
  6. Step 6: Final answer
    x = 195,114.02

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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.