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Finding the Fourth Proportional to 195,719.40, 274,375.80 and 195,719.40

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Solution

The fourth proportional to 195,719.40, 274,375.80 and 195,719.40 is: 274,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,719.40 : 274,375.80 = 195,719.40 : x
  2. Step 2: Convert to fraction form
    195,719.40/274,375.80 = 195,719.40/x
  3. Step 3: Cross multiply
    195,719.40x = 274,375.80 × 195,719.40
  4. Step 4: Simplify right side
    195,719.40x = 53,700,666,950.52
  5. Step 5: Solve for x
    x = 53,700,666,950.52/195,719.40
  6. Step 6: Final answer
    x = 274,375.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.