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Finding the Fourth Proportional to 184,862.34, 255,110.04 and 99,979.38

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Solution

The fourth proportional to 184,862.34, 255,110.04 and 99,979.38 is: 137,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,862.34 : 255,110.04 = 99,979.38 : x
  2. Step 2: Convert to fraction form
    184,862.34/255,110.04 = 99,979.38/x
  3. Step 3: Cross multiply
    184,862.34x = 255,110.04 × 99,979.38
  4. Step 4: Simplify right side
    184,862.34x = 25,505,743,630.98
  5. Step 5: Solve for x
    x = 25,505,743,630.98/184,862.34
  6. Step 6: Final answer
    x = 137,971.55

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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.