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Finding the Fourth Proportional to 235,082.12, 352,623.18 and 68,870.12

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Solution

The fourth proportional to 235,082.12, 352,623.18 and 68,870.12 is: 103,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,082.12 : 352,623.18 = 68,870.12 : x
  2. Step 2: Convert to fraction form
    235,082.12/352,623.18 = 68,870.12/x
  3. Step 3: Cross multiply
    235,082.12x = 352,623.18 × 68,870.12
  4. Step 4: Simplify right side
    235,082.12x = 24,285,200,721.38
  5. Step 5: Solve for x
    x = 24,285,200,721.38/235,082.12
  6. Step 6: Final answer
    x = 103,305.18

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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.