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Finding the Fourth Proportional to 154,976.80, 232,004.40 and 92,768.80

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Solution

The fourth proportional to 154,976.80, 232,004.40 and 92,768.80 is: 138,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,976.80 : 232,004.40 = 92,768.80 : x
  2. Step 2: Convert to fraction form
    154,976.80/232,004.40 = 92,768.80/x
  3. Step 3: Cross multiply
    154,976.80x = 232,004.40 × 92,768.80
  4. Step 4: Simplify right side
    154,976.80x = 21,522,769,782.72
  5. Step 5: Solve for x
    x = 21,522,769,782.72/154,976.80
  6. Step 6: Final answer
    x = 138,877.37

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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.