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Finding the Fourth Proportional to 162,106.92, 243,245.97 and 115,026.21

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Solution

The fourth proportional to 162,106.92, 243,245.97 and 115,026.21 is: 172,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106.92 : 243,245.97 = 115,026.21 : x
  2. Step 2: Convert to fraction form
    162,106.92/243,245.97 = 115,026.21/x
  3. Step 3: Cross multiply
    162,106.92x = 243,245.97 × 115,026.21
  4. Step 4: Simplify right side
    162,106.92x = 27,979,662,026.87
  5. Step 5: Solve for x
    x = 27,979,662,026.87/162,106.92
  6. Step 6: Final answer
    x = 172,600.05

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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.