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Finding the Fourth Proportional to 146,690.56, 202,435.32 and 79,622.56

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Solution

The fourth proportional to 146,690.56, 202,435.32 and 79,622.56 is: 109,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.56 : 202,435.32 = 79,622.56 : x
  2. Step 2: Convert to fraction form
    146,690.56/202,435.32 = 79,622.56/x
  3. Step 3: Cross multiply
    146,690.56x = 202,435.32 × 79,622.56
  4. Step 4: Simplify right side
    146,690.56x = 16,118,418,412.82
  5. Step 5: Solve for x
    x = 16,118,418,412.82/146,690.56
  6. Step 6: Final answer
    x = 109,880.41

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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.