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Finding the Fourth Proportional to 183,419.10, 275,128.65 and 158,049.90

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Solution

The fourth proportional to 183,419.10, 275,128.65 and 158,049.90 is: 237,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,419.10 : 275,128.65 = 158,049.90 : x
  2. Step 2: Convert to fraction form
    183,419.10/275,128.65 = 158,049.90/x
  3. Step 3: Cross multiply
    183,419.10x = 275,128.65 × 158,049.90
  4. Step 4: Simplify right side
    183,419.10x = 43,484,055,619.64
  5. Step 5: Solve for x
    x = 43,484,055,619.64/183,419.10
  6. Step 6: Final answer
    x = 237,074.85

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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.