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Finding the Fourth Proportional to 188,362.98, 282,261.51 and 170,581.86

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Solution

The fourth proportional to 188,362.98, 282,261.51 and 170,581.86 is: 255,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,362.98 : 282,261.51 = 170,581.86 : x
  2. Step 2: Convert to fraction form
    188,362.98/282,261.51 = 170,581.86/x
  3. Step 3: Cross multiply
    188,362.98x = 282,261.51 × 170,581.86
  4. Step 4: Simplify right side
    188,362.98x = 48,148,693,382.21
  5. Step 5: Solve for x
    x = 48,148,693,382.21/188,362.98
  6. Step 6: Final answer
    x = 255,616.54

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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.