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Finding the Fourth Proportional to 153,729.89, 230,495.46 and 60,245.09

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Solution

The fourth proportional to 153,729.89, 230,495.46 and 60,245.09 is: 90,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,729.89 : 230,495.46 = 60,245.09 : x
  2. Step 2: Convert to fraction form
    153,729.89/230,495.46 = 60,245.09/x
  3. Step 3: Cross multiply
    153,729.89x = 230,495.46 × 60,245.09
  4. Step 4: Simplify right side
    153,729.89x = 13,886,218,579.81
  5. Step 5: Solve for x
    x = 13,886,218,579.81/153,729.89
  6. Step 6: Final answer
    x = 90,328.69

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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.