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Finding the Fourth Proportional to 146,682, 202,425.48 and 79,618.32

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Solution

The fourth proportional to 146,682, 202,425.48 and 79,618.32 is: 109,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,682 : 202,425.48 = 79,618.32 : x
  2. Step 2: Convert to fraction form
    146,682/202,425.48 = 79,618.32/x
  3. Step 3: Cross multiply
    146,682x = 202,425.48 × 79,618.32
  4. Step 4: Simplify right side
    146,682x = 16,116,776,642.79
  5. Step 5: Solve for x
    x = 16,116,776,642.79/146,682
  6. Step 6: Final answer
    x = 109,875.63

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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.