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Finding the Fourth Proportional to 254,712.60, 381,825.90 and 94,745.70

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Solution

The fourth proportional to 254,712.60, 381,825.90 and 94,745.70 is: 142,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,712.60 : 381,825.90 = 94,745.70 : x
  2. Step 2: Convert to fraction form
    254,712.60/381,825.90 = 94,745.70/x
  3. Step 3: Cross multiply
    254,712.60x = 381,825.90 × 94,745.70
  4. Step 4: Simplify right side
    254,712.60x = 36,176,362,173.63
  5. Step 5: Solve for x
    x = 36,176,362,173.63/254,712.60
  6. Step 6: Final answer
    x = 142,028.16

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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.