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Finding the Fourth Proportional to 183,678.80, 274,999.80 and 178,494.80

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Solution

The fourth proportional to 183,678.80, 274,999.80 and 178,494.80 is: 267,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,678.80 : 274,999.80 = 178,494.80 : x
  2. Step 2: Convert to fraction form
    183,678.80/274,999.80 = 178,494.80/x
  3. Step 3: Cross multiply
    183,678.80x = 274,999.80 × 178,494.80
  4. Step 4: Simplify right side
    183,678.80x = 49,086,034,301.04
  5. Step 5: Solve for x
    x = 49,086,034,301.04/183,678.80
  6. Step 6: Final answer
    x = 267,238.43

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1.5x scale

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.