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Finding the Fourth Proportional to 184,783.96, 255,001.78 and 99,901

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Solution

The fourth proportional to 184,783.96, 255,001.78 and 99,901 is: 137,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,783.96 : 255,001.78 = 99,901 : x
  2. Step 2: Convert to fraction form
    184,783.96/255,001.78 = 99,901/x
  3. Step 3: Cross multiply
    184,783.96x = 255,001.78 × 99,901
  4. Step 4: Simplify right side
    184,783.96x = 25,474,932,823.78
  5. Step 5: Solve for x
    x = 25,474,932,823.78/184,783.96
  6. Step 6: Final answer
    x = 137,863.33

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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.