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Finding the Fourth Proportional to 153,908.80, 230,841.60 and 48,738.40

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Solution

The fourth proportional to 153,908.80, 230,841.60 and 48,738.40 is: 73,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,908.80 : 230,841.60 = 48,738.40 : x
  2. Step 2: Convert to fraction form
    153,908.80/230,841.60 = 48,738.40/x
  3. Step 3: Cross multiply
    153,908.80x = 230,841.60 × 48,738.40
  4. Step 4: Simplify right side
    153,908.80x = 11,250,850,237.44
  5. Step 5: Solve for x
    x = 11,250,850,237.44/153,908.80
  6. Step 6: Final answer
    x = 73,100.76

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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.