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Finding the Fourth Proportional to 184,873.51, 255,125.23 and 99,990.37

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Solution

The fourth proportional to 184,873.51, 255,125.23 and 99,990.37 is: 137,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,873.51 : 255,125.23 = 99,990.37 : x
  2. Step 2: Convert to fraction form
    184,873.51/255,125.23 = 99,990.37/x
  3. Step 3: Cross multiply
    184,873.51x = 255,125.23 × 99,990.37
  4. Step 4: Simplify right side
    184,873.51x = 25,510,066,144.04
  5. Step 5: Solve for x
    x = 25,510,066,144.04/184,873.51
  6. Step 6: Final answer
    x = 137,986.59

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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.