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Finding the Fourth Proportional to 184,870.35, 255,121.02 and 99,987.39

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Solution

The fourth proportional to 184,870.35, 255,121.02 and 99,987.39 is: 137,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,870.35 : 255,121.02 = 99,987.39 : x
  2. Step 2: Convert to fraction form
    184,870.35/255,121.02 = 99,987.39/x
  3. Step 3: Cross multiply
    184,870.35x = 255,121.02 × 99,987.39
  4. Step 4: Simplify right side
    184,870.35x = 25,508,884,923.94
  5. Step 5: Solve for x
    x = 25,508,884,923.94/184,870.35
  6. Step 6: Final answer
    x = 137,982.56

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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.