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Finding the Fourth Proportional to 184,871, 255,121.08 and 99,986.24

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Solution

The fourth proportional to 184,871, 255,121.08 and 99,986.24 is: 137,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,871 : 255,121.08 = 99,986.24 : x
  2. Step 2: Convert to fraction form
    184,871/255,121.08 = 99,986.24/x
  3. Step 3: Cross multiply
    184,871x = 255,121.08 × 99,986.24
  4. Step 4: Simplify right side
    184,871x = 25,508,597,533.94
  5. Step 5: Solve for x
    x = 25,508,597,533.94/184,871
  6. Step 6: Final answer
    x = 137,980.52

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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.