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Finding the Fourth Proportional to 115,492.20, 173,205.90 and 36,630.60

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Solution

The fourth proportional to 115,492.20, 173,205.90 and 36,630.60 is: 54,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492.20 : 173,205.90 = 36,630.60 : x
  2. Step 2: Convert to fraction form
    115,492.20/173,205.90 = 36,630.60/x
  3. Step 3: Cross multiply
    115,492.20x = 173,205.90 × 36,630.60
  4. Step 4: Simplify right side
    115,492.20x = 6,344,636,040.54
  5. Step 5: Solve for x
    x = 6,344,636,040.54/115,492.20
  6. Step 6: Final answer
    x = 54,935.62

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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.