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Finding the Fourth Proportional to 153,672.40, 230,596.10 and 122,704.48

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Solution

The fourth proportional to 153,672.40, 230,596.10 and 122,704.48 is: 184,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,672.40 : 230,596.10 = 122,704.48 : x
  2. Step 2: Convert to fraction form
    153,672.40/230,596.10 = 122,704.48/x
  3. Step 3: Cross multiply
    153,672.40x = 230,596.10 × 122,704.48
  4. Step 4: Simplify right side
    153,672.40x = 28,295,174,540.53
  5. Step 5: Solve for x
    x = 28,295,174,540.53/153,672.40
  6. Step 6: Final answer
    x = 184,126.59

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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.