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Finding the Fourth Proportional to 185,274.80, 255,721.20 and 104,748.96

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Solution

The fourth proportional to 185,274.80, 255,721.20 and 104,748.96 is: 144,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,274.80 : 255,721.20 = 104,748.96 : x
  2. Step 2: Convert to fraction form
    185,274.80/255,721.20 = 104,748.96/x
  3. Step 3: Cross multiply
    185,274.80x = 255,721.20 × 104,748.96
  4. Step 4: Simplify right side
    185,274.80x = 26,786,529,749.95
  5. Step 5: Solve for x
    x = 26,786,529,749.95/185,274.80
  6. Step 6: Final answer
    x = 144,577.30

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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.