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Finding the Fourth Proportional to 213,366.24, 320,250.24 and 108,260.64

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Solution

The fourth proportional to 213,366.24, 320,250.24 and 108,260.64 is: 162,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,366.24 : 320,250.24 = 108,260.64 : x
  2. Step 2: Convert to fraction form
    213,366.24/320,250.24 = 108,260.64/x
  3. Step 3: Cross multiply
    213,366.24x = 320,250.24 × 108,260.64
  4. Step 4: Simplify right side
    213,366.24x = 34,670,495,942.55
  5. Step 5: Solve for x
    x = 34,670,495,942.55/213,366.24
  6. Step 6: Final answer
    x = 162,492.89

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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.