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Finding the Fourth Proportional to 183,378.80, 275,044.82 and 70,982.12

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Solution

The fourth proportional to 183,378.80, 275,044.82 and 70,982.12 is: 106,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,378.80 : 275,044.82 = 70,982.12 : x
  2. Step 2: Convert to fraction form
    183,378.80/275,044.82 = 70,982.12/x
  3. Step 3: Cross multiply
    183,378.80x = 275,044.82 × 70,982.12
  4. Step 4: Simplify right side
    183,378.80x = 19,523,264,751.32
  5. Step 5: Solve for x
    x = 19,523,264,751.32/183,378.80
  6. Step 6: Final answer
    x = 106,464.13

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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.