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Finding the Fourth Proportional to 180,612.50, 270,930.29 and 60,664.59

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Solution

The fourth proportional to 180,612.50, 270,930.29 and 60,664.59 is: 91,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.50 : 270,930.29 = 60,664.59 : x
  2. Step 2: Convert to fraction form
    180,612.50/270,930.29 = 60,664.59/x
  3. Step 3: Cross multiply
    180,612.50x = 270,930.29 × 60,664.59
  4. Step 4: Simplify right side
    180,612.50x = 16,435,874,658.11
  5. Step 5: Solve for x
    x = 16,435,874,658.11/180,612.50
  6. Step 6: Final answer
    x = 91,000.76

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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.