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Finding the Fourth Proportional to 253,114.44, 379,527.88 and 103,179.12

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Solution

The fourth proportional to 253,114.44, 379,527.88 and 103,179.12 is: 154,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,114.44 : 379,527.88 = 103,179.12 : x
  2. Step 2: Convert to fraction form
    253,114.44/379,527.88 = 103,179.12/x
  3. Step 3: Cross multiply
    253,114.44x = 379,527.88 × 103,179.12
  4. Step 4: Simplify right side
    253,114.44x = 39,159,352,673.87
  5. Step 5: Solve for x
    x = 39,159,352,673.87/253,114.44
  6. Step 6: Final answer
    x = 154,710.07

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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.