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Finding the Fourth Proportional to 184,365.52, 254,502.84 and 123,971.20

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Solution

The fourth proportional to 184,365.52, 254,502.84 and 123,971.20 is: 171,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,365.52 : 254,502.84 = 123,971.20 : x
  2. Step 2: Convert to fraction form
    184,365.52/254,502.84 = 123,971.20/x
  3. Step 3: Cross multiply
    184,365.52x = 254,502.84 × 123,971.20
  4. Step 4: Simplify right side
    184,365.52x = 31,551,022,478.21
  5. Step 5: Solve for x
    x = 31,551,022,478.21/184,365.52
  6. Step 6: Final answer
    x = 171,132.99

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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.