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Finding the Fourth Proportional to 184,308.21, 254,345.87 and 103,736.97

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Solution

The fourth proportional to 184,308.21, 254,345.87 and 103,736.97 is: 143,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,308.21 : 254,345.87 = 103,736.97 : x
  2. Step 2: Convert to fraction form
    184,308.21/254,345.87 = 103,736.97/x
  3. Step 3: Cross multiply
    184,308.21x = 254,345.87 × 103,736.97
  4. Step 4: Simplify right side
    184,308.21x = 26,385,070,145.16
  5. Step 5: Solve for x
    x = 26,385,070,145.16/184,308.21
  6. Step 6: Final answer
    x = 143,157.32

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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.