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Finding the Fourth Proportional to 191,362.50, 285,022.31 and 181,370.34

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Solution

The fourth proportional to 191,362.50, 285,022.31 and 181,370.34 is: 270,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,362.50 : 285,022.31 = 181,370.34 : x
  2. Step 2: Convert to fraction form
    191,362.50/285,022.31 = 181,370.34/x
  3. Step 3: Cross multiply
    191,362.50x = 285,022.31 × 181,370.34
  4. Step 4: Simplify right side
    191,362.50x = 51,694,592,365.43
  5. Step 5: Solve for x
    x = 51,694,592,365.43/191,362.50
  6. Step 6: Final answer
    x = 270,139.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.