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Finding the Fourth Proportional to 153,796.77, 230,554.21 and 53,902.51

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Solution

The fourth proportional to 153,796.77, 230,554.21 and 53,902.51 is: 80,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,796.77 : 230,554.21 = 53,902.51 : x
  2. Step 2: Convert to fraction form
    153,796.77/230,554.21 = 53,902.51/x
  3. Step 3: Cross multiply
    153,796.77x = 230,554.21 × 53,902.51
  4. Step 4: Simplify right side
    153,796.77x = 12,427,450,610.07
  5. Step 5: Solve for x
    x = 12,427,450,610.07/153,796.77
  6. Step 6: Final answer
    x = 80,804.37

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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.