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Finding the Fourth Proportional to 184,763.70, 254,974.28 and 99,880.76

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Solution

The fourth proportional to 184,763.70, 254,974.28 and 99,880.76 is: 137,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,763.70 : 254,974.28 = 99,880.76 : x
  2. Step 2: Convert to fraction form
    184,763.70/254,974.28 = 99,880.76/x
  3. Step 3: Cross multiply
    184,763.70x = 254,974.28 × 99,880.76
  4. Step 4: Simplify right side
    184,763.70x = 25,467,024,866.85
  5. Step 5: Solve for x
    x = 25,467,024,866.85/184,763.70
  6. Step 6: Final answer
    x = 137,835.65

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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.