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Finding the Fourth Proportional to 183,682.52, 253,493.21 and 122,323.49

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Solution

The fourth proportional to 183,682.52, 253,493.21 and 122,323.49 is: 168,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,682.52 : 253,493.21 = 122,323.49 : x
  2. Step 2: Convert to fraction form
    183,682.52/253,493.21 = 122,323.49/x
  3. Step 3: Cross multiply
    183,682.52x = 253,493.21 × 122,323.49
  4. Step 4: Simplify right side
    183,682.52x = 31,008,173,526.89
  5. Step 5: Solve for x
    x = 31,008,173,526.89/183,682.52
  6. Step 6: Final answer
    x = 168,813.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.