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Finding the Fourth Proportional to 191,313.56, 263,855.48 and 169,819

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Solution

The fourth proportional to 191,313.56, 263,855.48 and 169,819 is: 234,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,313.56 : 263,855.48 = 169,819 : x
  2. Step 2: Convert to fraction form
    191,313.56/263,855.48 = 169,819/x
  3. Step 3: Cross multiply
    191,313.56x = 263,855.48 × 169,819
  4. Step 4: Simplify right side
    191,313.56x = 44,807,673,758.12
  5. Step 5: Solve for x
    x = 44,807,673,758.12/191,313.56
  6. Step 6: Final answer
    x = 234,210.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.