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Finding the Fourth Proportional to 303,126.26, 418,308.62 and 167,172.74

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Solution

The fourth proportional to 303,126.26, 418,308.62 and 167,172.74 is: 230,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,126.26 : 418,308.62 = 167,172.74 : x
  2. Step 2: Convert to fraction form
    303,126.26/418,308.62 = 167,172.74/x
  3. Step 3: Cross multiply
    303,126.26x = 418,308.62 × 167,172.74
  4. Step 4: Simplify right side
    303,126.26x = 69,929,798,171.02
  5. Step 5: Solve for x
    x = 69,929,798,171.02/303,126.26
  6. Step 6: Final answer
    x = 230,695.28

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