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Finding the Fourth Proportional to 146,906.10, 202,730.50 and 79,838.10

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Solution

The fourth proportional to 146,906.10, 202,730.50 and 79,838.10 is: 110,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,906.10 : 202,730.50 = 79,838.10 : x
  2. Step 2: Convert to fraction form
    146,906.10/202,730.50 = 79,838.10/x
  3. Step 3: Cross multiply
    146,906.10x = 202,730.50 × 79,838.10
  4. Step 4: Simplify right side
    146,906.10x = 16,185,616,718.80
  5. Step 5: Solve for x
    x = 16,185,616,718.80/146,906.10
  6. Step 6: Final answer
    x = 110,176.62

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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.