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Finding the Fourth Proportional to 146,169, 201,714.44 and 79,101

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Solution

The fourth proportional to 146,169, 201,714.44 and 79,101 is: 109,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,169 : 201,714.44 = 79,101 : x
  2. Step 2: Convert to fraction form
    146,169/201,714.44 = 79,101/x
  3. Step 3: Cross multiply
    146,169x = 201,714.44 × 79,101
  4. Step 4: Simplify right side
    146,169x = 15,955,813,522.94
  5. Step 5: Solve for x
    x = 15,955,813,522.94/146,169
  6. Step 6: Final answer
    x = 109,160.04

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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.