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Finding the Fourth Proportional to 199,354.92, 299,156.88 and 81,026.22

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Solution

The fourth proportional to 199,354.92, 299,156.88 and 81,026.22 is: 121,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,354.92 : 299,156.88 = 81,026.22 : x
  2. Step 2: Convert to fraction form
    199,354.92/299,156.88 = 81,026.22/x
  3. Step 3: Cross multiply
    199,354.92x = 299,156.88 × 81,026.22
  4. Step 4: Simplify right side
    199,354.92x = 24,239,551,173.39
  5. Step 5: Solve for x
    x = 24,239,551,173.39/199,354.92
  6. Step 6: Final answer
    x = 121,589.93

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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.