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Finding the Fourth Proportional to 254,501.84, 381,622.26 and 134,623.52

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Solution

The fourth proportional to 254,501.84, 381,622.26 and 134,623.52 is: 201,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,501.84 : 381,622.26 = 134,623.52 : x
  2. Step 2: Convert to fraction form
    254,501.84/381,622.26 = 134,623.52/x
  3. Step 3: Cross multiply
    254,501.84x = 381,622.26 × 134,623.52
  4. Step 4: Simplify right side
    254,501.84x = 51,375,331,951.56
  5. Step 5: Solve for x
    x = 51,375,331,951.56/254,501.84
  6. Step 6: Final answer
    x = 201,866.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.