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Finding the Fourth Proportional to 169,196.60, 253,820.41 and 73,160.09

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Solution

The fourth proportional to 169,196.60, 253,820.41 and 73,160.09 is: 109,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,196.60 : 253,820.41 = 73,160.09 : x
  2. Step 2: Convert to fraction form
    169,196.60/253,820.41 = 73,160.09/x
  3. Step 3: Cross multiply
    169,196.60x = 253,820.41 × 73,160.09
  4. Step 4: Simplify right side
    169,196.60x = 18,569,523,539.26
  5. Step 5: Solve for x
    x = 18,569,523,539.26/169,196.60
  6. Step 6: Final answer
    x = 109,751.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.