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Finding the Fourth Proportional to 163,213.20, 244,528.20 and 139,885.20

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Solution

The fourth proportional to 163,213.20, 244,528.20 and 139,885.20 is: 209,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213.20 : 244,528.20 = 139,885.20 : x
  2. Step 2: Convert to fraction form
    163,213.20/244,528.20 = 139,885.20/x
  3. Step 3: Cross multiply
    163,213.20x = 244,528.20 × 139,885.20
  4. Step 4: Simplify right side
    163,213.20x = 34,205,876,162.64
  5. Step 5: Solve for x
    x = 34,205,876,162.64/163,213.20
  6. Step 6: Final answer
    x = 209,577.88

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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.