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Finding the Fourth Proportional to 146,676.16, 202,411.92 and 79,608.16

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Solution

The fourth proportional to 146,676.16, 202,411.92 and 79,608.16 is: 109,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,676.16 : 202,411.92 = 79,608.16 : x
  2. Step 2: Convert to fraction form
    146,676.16/202,411.92 = 79,608.16/x
  3. Step 3: Cross multiply
    146,676.16x = 202,411.92 × 79,608.16
  4. Step 4: Simplify right side
    146,676.16x = 16,113,640,513.27
  5. Step 5: Solve for x
    x = 16,113,640,513.27/146,676.16
  6. Step 6: Final answer
    x = 109,858.62

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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.