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Finding the Fourth Proportional to 181,852.34, 272,821.43 and 57,193.34

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Solution

The fourth proportional to 181,852.34, 272,821.43 and 57,193.34 is: 85,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,852.34 : 272,821.43 = 57,193.34 : x
  2. Step 2: Convert to fraction form
    181,852.34/272,821.43 = 57,193.34/x
  3. Step 3: Cross multiply
    181,852.34x = 272,821.43 × 57,193.34
  4. Step 4: Simplify right side
    181,852.34x = 15,603,567,584.15
  5. Step 5: Solve for x
    x = 15,603,567,584.15/181,852.34
  6. Step 6: Final answer
    x = 85,803.50

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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.