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Finding the Fourth Proportional to 183,791.70, 275,557.82 and 71,378.28

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Solution

The fourth proportional to 183,791.70, 275,557.82 and 71,378.28 is: 107,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,791.70 : 275,557.82 = 71,378.28 : x
  2. Step 2: Convert to fraction form
    183,791.70/275,557.82 = 71,378.28/x
  3. Step 3: Cross multiply
    183,791.70x = 275,557.82 × 71,378.28
  4. Step 4: Simplify right side
    183,791.70x = 19,668,842,875.26
  5. Step 5: Solve for x
    x = 19,668,842,875.26/183,791.70
  6. Step 6: Final answer
    x = 107,017.04

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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.