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Finding the Fourth Proportional to 188,553.66, 282,908.82 and 76,313.22

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Solution

The fourth proportional to 188,553.66, 282,908.82 and 76,313.22 is: 114,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,553.66 : 282,908.82 = 76,313.22 : x
  2. Step 2: Convert to fraction form
    188,553.66/282,908.82 = 76,313.22/x
  3. Step 3: Cross multiply
    188,553.66x = 282,908.82 × 76,313.22
  4. Step 4: Simplify right side
    188,553.66x = 21,589,683,020.60
  5. Step 5: Solve for x
    x = 21,589,683,020.60/188,553.66
  6. Step 6: Final answer
    x = 114,501.53

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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.