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Finding the Fourth Proportional to 146,796.39, 202,580.06 and 79,728.39

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Solution

The fourth proportional to 146,796.39, 202,580.06 and 79,728.39 is: 110,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,796.39 : 202,580.06 = 79,728.39 : x
  2. Step 2: Convert to fraction form
    146,796.39/202,580.06 = 79,728.39/x
  3. Step 3: Cross multiply
    146,796.39x = 202,580.06 × 79,728.39
  4. Step 4: Simplify right side
    146,796.39x = 16,151,382,029.90
  5. Step 5: Solve for x
    x = 16,151,382,029.90/146,796.39
  6. Step 6: Final answer
    x = 110,025.74

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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.