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Finding the Fourth Proportional to 184,491.40, 276,737.10 and 125,442.40

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Solution

The fourth proportional to 184,491.40, 276,737.10 and 125,442.40 is: 188,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,491.40 : 276,737.10 = 125,442.40 : x
  2. Step 2: Convert to fraction form
    184,491.40/276,737.10 = 125,442.40/x
  3. Step 3: Cross multiply
    184,491.40x = 276,737.10 × 125,442.40
  4. Step 4: Simplify right side
    184,491.40x = 34,714,565,993.04
  5. Step 5: Solve for x
    x = 34,714,565,993.04/184,491.40
  6. Step 6: Final answer
    x = 188,163.60

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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.