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Finding the Fourth Proportional to 184,247.80, 275,715.60 and 127,823.20

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Solution

The fourth proportional to 184,247.80, 275,715.60 and 127,823.20 is: 191,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,247.80 : 275,715.60 = 127,823.20 : x
  2. Step 2: Convert to fraction form
    184,247.80/275,715.60 = 127,823.20/x
  3. Step 3: Cross multiply
    184,247.80x = 275,715.60 × 127,823.20
  4. Step 4: Simplify right side
    184,247.80x = 35,242,850,281.92
  5. Step 5: Solve for x
    x = 35,242,850,281.92/184,247.80
  6. Step 6: Final answer
    x = 191,279.63

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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.