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Finding the Fourth Proportional to 184,842.40, 277,263.60 and 91,328.80

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Solution

The fourth proportional to 184,842.40, 277,263.60 and 91,328.80 is: 136,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,842.40 : 277,263.60 = 91,328.80 : x
  2. Step 2: Convert to fraction form
    184,842.40/277,263.60 = 91,328.80/x
  3. Step 3: Cross multiply
    184,842.40x = 277,263.60 × 91,328.80
  4. Step 4: Simplify right side
    184,842.40x = 25,322,151,871.68
  5. Step 5: Solve for x
    x = 25,322,151,871.68/184,842.40
  6. Step 6: Final answer
    x = 136,993.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.