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Finding the Fourth Proportional to 168,954.65, 253,003.38 and 101,445

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Solution

The fourth proportional to 168,954.65, 253,003.38 and 101,445 is: 151,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,954.65 : 253,003.38 = 101,445 : x
  2. Step 2: Convert to fraction form
    168,954.65/253,003.38 = 101,445/x
  3. Step 3: Cross multiply
    168,954.65x = 253,003.38 × 101,445
  4. Step 4: Simplify right side
    168,954.65x = 25,665,927,884.10
  5. Step 5: Solve for x
    x = 25,665,927,884.10/168,954.65
  6. Step 6: Final answer
    x = 151,910.16

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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.