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Finding the Fourth Proportional to 184,992.91, 255,290.86 and 100,109.95

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Solution

The fourth proportional to 184,992.91, 255,290.86 and 100,109.95 is: 138,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,992.91 : 255,290.86 = 100,109.95 : x
  2. Step 2: Convert to fraction form
    184,992.91/255,290.86 = 100,109.95/x
  3. Step 3: Cross multiply
    184,992.91x = 255,290.86 × 100,109.95
  4. Step 4: Simplify right side
    184,992.91x = 25,557,154,979.78
  5. Step 5: Solve for x
    x = 25,557,154,979.78/184,992.91
  6. Step 6: Final answer
    x = 138,152.08

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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.