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Finding the Fourth Proportional to 184,196.91, 254,206.47 and 103,619.64

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Solution

The fourth proportional to 184,196.91, 254,206.47 and 103,619.64 is: 143,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,196.91 : 254,206.47 = 103,619.64 : x
  2. Step 2: Convert to fraction form
    184,196.91/254,206.47 = 103,619.64/x
  3. Step 3: Cross multiply
    184,196.91x = 254,206.47 × 103,619.64
  4. Step 4: Simplify right side
    184,196.91x = 26,340,782,907.07
  5. Step 5: Solve for x
    x = 26,340,782,907.07/184,196.91
  6. Step 6: Final answer
    x = 143,003.39

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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.