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Finding the Fourth Proportional to 184,940.78, 255,218.19 and 104,385.20

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Solution

The fourth proportional to 184,940.78, 255,218.19 and 104,385.20 is: 144,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,940.78 : 255,218.19 = 104,385.20 : x
  2. Step 2: Convert to fraction form
    184,940.78/255,218.19 = 104,385.20/x
  3. Step 3: Cross multiply
    184,940.78x = 255,218.19 × 104,385.20
  4. Step 4: Simplify right side
    184,940.78x = 26,641,001,806.79
  5. Step 5: Solve for x
    x = 26,641,001,806.79/184,940.78
  6. Step 6: Final answer
    x = 144,051.53

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1.5x scale

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.