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Finding the Fourth Proportional to 146,630, 202,349.40 and 79,562

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Solution

The fourth proportional to 146,630, 202,349.40 and 79,562 is: 109,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,630 : 202,349.40 = 79,562 : x
  2. Step 2: Convert to fraction form
    146,630/202,349.40 = 79,562/x
  3. Step 3: Cross multiply
    146,630x = 202,349.40 × 79,562
  4. Step 4: Simplify right side
    146,630x = 16,099,322,962.80
  5. Step 5: Solve for x
    x = 16,099,322,962.80/146,630
  6. Step 6: Final answer
    x = 109,795.56

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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.