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Finding the Fourth Proportional to 182,639.80, 274,002.90 and 57,980.80

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Solution

The fourth proportional to 182,639.80, 274,002.90 and 57,980.80 is: 86,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,639.80 : 274,002.90 = 57,980.80 : x
  2. Step 2: Convert to fraction form
    182,639.80/274,002.90 = 57,980.80/x
  3. Step 3: Cross multiply
    182,639.80x = 274,002.90 × 57,980.80
  4. Step 4: Simplify right side
    182,639.80x = 15,886,907,344.32
  5. Step 5: Solve for x
    x = 15,886,907,344.32/182,639.80
  6. Step 6: Final answer
    x = 86,984.91

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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.