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Finding the Fourth Proportional to 275,017.83, 412,527.09 and 75,339.93

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Solution

The fourth proportional to 275,017.83, 412,527.09 and 75,339.93 is: 113,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,017.83 : 412,527.09 = 75,339.93 : x
  2. Step 2: Convert to fraction form
    275,017.83/412,527.09 = 75,339.93/x
  3. Step 3: Cross multiply
    275,017.83x = 412,527.09 × 75,339.93
  4. Step 4: Simplify right side
    275,017.83x = 31,079,762,083.70
  5. Step 5: Solve for x
    x = 31,079,762,083.70/275,017.83
  6. Step 6: Final answer
    x = 113,009.99

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1.5x scale

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.