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Finding the Fourth Proportional to 180,231.72, 248,750.64 and 104,823.96

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Solution

The fourth proportional to 180,231.72, 248,750.64 and 104,823.96 is: 144,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,231.72 : 248,750.64 = 104,823.96 : x
  2. Step 2: Convert to fraction form
    180,231.72/248,750.64 = 104,823.96/x
  3. Step 3: Cross multiply
    180,231.72x = 248,750.64 × 104,823.96
  4. Step 4: Simplify right side
    180,231.72x = 26,075,027,137.33
  5. Step 5: Solve for x
    x = 26,075,027,137.33/180,231.72
  6. Step 6: Final answer
    x = 144,675.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.