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Finding the Fourth Proportional to 146,262, 201,841.56 and 79,194

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Solution

The fourth proportional to 146,262, 201,841.56 and 79,194 is: 109,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,262 : 201,841.56 = 79,194 : x
  2. Step 2: Convert to fraction form
    146,262/201,841.56 = 79,194/x
  3. Step 3: Cross multiply
    146,262x = 201,841.56 × 79,194
  4. Step 4: Simplify right side
    146,262x = 15,984,640,502.64
  5. Step 5: Solve for x
    x = 15,984,640,502.64/146,262
  6. Step 6: Final answer
    x = 109,287.72

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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.