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Finding the Fourth Proportional to 182,640.80, 274,004.40 and 57,981.80

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Solution

The fourth proportional to 182,640.80, 274,004.40 and 57,981.80 is: 86,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,640.80 : 274,004.40 = 57,981.80 : x
  2. Step 2: Convert to fraction form
    182,640.80/274,004.40 = 57,981.80/x
  3. Step 3: Cross multiply
    182,640.80x = 274,004.40 × 57,981.80
  4. Step 4: Simplify right side
    182,640.80x = 15,887,268,319.92
  5. Step 5: Solve for x
    x = 15,887,268,319.92/182,640.80
  6. Step 6: Final answer
    x = 86,986.41

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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.