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Finding the Fourth Proportional to 183,440.80, 274,642.80 and 164,778.40

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Solution

The fourth proportional to 183,440.80, 274,642.80 and 164,778.40 is: 246,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,440.80 : 274,642.80 = 164,778.40 : x
  2. Step 2: Convert to fraction form
    183,440.80/274,642.80 = 164,778.40/x
  3. Step 3: Cross multiply
    183,440.80x = 274,642.80 × 164,778.40
  4. Step 4: Simplify right side
    183,440.80x = 45,255,201,155.52
  5. Step 5: Solve for x
    x = 45,255,201,155.52/183,440.80
  6. Step 6: Final answer
    x = 246,701.94

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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.