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Finding the Fourth Proportional to 275,017.84, 412,527.08 and 75,339.94

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Solution

The fourth proportional to 275,017.84, 412,527.08 and 75,339.94 is: 113,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,017.84 : 412,527.08 = 75,339.94 : x
  2. Step 2: Convert to fraction form
    275,017.84/412,527.08 = 75,339.94/x
  3. Step 3: Cross multiply
    275,017.84x = 412,527.08 × 75,339.94
  4. Step 4: Simplify right side
    275,017.84x = 31,079,765,455.58
  5. Step 5: Solve for x
    x = 31,079,765,455.58/275,017.84
  6. Step 6: Final answer
    x = 113,010.00

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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.