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Finding the Fourth Proportional to 161,441.92, 222,786.37 and 93,461.77

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Solution

The fourth proportional to 161,441.92, 222,786.37 and 93,461.77 is: 128,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,441.92 : 222,786.37 = 93,461.77 : x
  2. Step 2: Convert to fraction form
    161,441.92/222,786.37 = 93,461.77/x
  3. Step 3: Cross multiply
    161,441.92x = 222,786.37 × 93,461.77
  4. Step 4: Simplify right side
    161,441.92x = 20,822,008,472.07
  5. Step 5: Solve for x
    x = 20,822,008,472.07/161,441.92
  6. Step 6: Final answer
    x = 128,975.23

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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.