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Finding the Fourth Proportional to 154,704.60, 231,668.10 and 123,600.60

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Solution

The fourth proportional to 154,704.60, 231,668.10 and 123,600.60 is: 185,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,704.60 : 231,668.10 = 123,600.60 : x
  2. Step 2: Convert to fraction form
    154,704.60/231,668.10 = 123,600.60/x
  3. Step 3: Cross multiply
    154,704.60x = 231,668.10 × 123,600.60
  4. Step 4: Simplify right side
    154,704.60x = 28,634,316,160.86
  5. Step 5: Solve for x
    x = 28,634,316,160.86/154,704.60
  6. Step 6: Final answer
    x = 185,090.27

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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.