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Finding the Fourth Proportional to 183,751.40, 275,627.10 and 120,765.80

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Solution

The fourth proportional to 183,751.40, 275,627.10 and 120,765.80 is: 181,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,751.40 : 275,627.10 = 120,765.80 : x
  2. Step 2: Convert to fraction form
    183,751.40/275,627.10 = 120,765.80/x
  3. Step 3: Cross multiply
    183,751.40x = 275,627.10 × 120,765.80
  4. Step 4: Simplify right side
    183,751.40x = 33,286,327,233.18
  5. Step 5: Solve for x
    x = 33,286,327,233.18/183,751.40
  6. Step 6: Final answer
    x = 181,148.70

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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.