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Finding the Fourth Proportional to 235,414.20, 353,121.30 and 117,316.20

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Solution

The fourth proportional to 235,414.20, 353,121.30 and 117,316.20 is: 175,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,414.20 : 353,121.30 = 117,316.20 : x
  2. Step 2: Convert to fraction form
    235,414.20/353,121.30 = 117,316.20/x
  3. Step 3: Cross multiply
    235,414.20x = 353,121.30 × 117,316.20
  4. Step 4: Simplify right side
    235,414.20x = 41,426,849,055.06
  5. Step 5: Solve for x
    x = 41,426,849,055.06/235,414.20
  6. Step 6: Final answer
    x = 175,974.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.