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Finding the Fourth Proportional to 146,673.28, 202,409.13 and 79,605.28

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Solution

The fourth proportional to 146,673.28, 202,409.13 and 79,605.28 is: 109,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,673.28 : 202,409.13 = 79,605.28 : x
  2. Step 2: Convert to fraction form
    146,673.28/202,409.13 = 79,605.28/x
  3. Step 3: Cross multiply
    146,673.28x = 202,409.13 × 79,605.28
  4. Step 4: Simplify right side
    146,673.28x = 16,112,835,571.96
  5. Step 5: Solve for x
    x = 16,112,835,571.96/146,673.28
  6. Step 6: Final answer
    x = 109,855.29

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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.