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Finding the Fourth Proportional to 162,245.43, 243,493.70 and 106,070.31

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Solution

The fourth proportional to 162,245.43, 243,493.70 and 106,070.31 is: 159,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,245.43 : 243,493.70 = 106,070.31 : x
  2. Step 2: Convert to fraction form
    162,245.43/243,493.70 = 106,070.31/x
  3. Step 3: Cross multiply
    162,245.43x = 243,493.70 × 106,070.31
  4. Step 4: Simplify right side
    162,245.43x = 25,827,451,711.70
  5. Step 5: Solve for x
    x = 25,827,451,711.70/162,245.43
  6. Step 6: Final answer
    x = 159,187.55

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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.