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Finding the Fourth Proportional to 184,080.60, 276,120.90 and 128,093.40

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Solution

The fourth proportional to 184,080.60, 276,120.90 and 128,093.40 is: 192,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,080.60 : 276,120.90 = 128,093.40 : x
  2. Step 2: Convert to fraction form
    184,080.60/276,120.90 = 128,093.40/x
  3. Step 3: Cross multiply
    184,080.60x = 276,120.90 × 128,093.40
  4. Step 4: Simplify right side
    184,080.60x = 35,369,264,892.06
  5. Step 5: Solve for x
    x = 35,369,264,892.06/184,080.60
  6. Step 6: Final answer
    x = 192,140.10

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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.