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Finding the Fourth Proportional to 168,812.52, 252,790.26 and 101,302.11

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Solution

The fourth proportional to 168,812.52, 252,790.26 and 101,302.11 is: 151,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812.52 : 252,790.26 = 101,302.11 : x
  2. Step 2: Convert to fraction form
    168,812.52/252,790.26 = 101,302.11/x
  3. Step 3: Cross multiply
    168,812.52x = 252,790.26 × 101,302.11
  4. Step 4: Simplify right side
    168,812.52x = 25,608,186,725.45
  5. Step 5: Solve for x
    x = 25,608,186,725.45/168,812.52
  6. Step 6: Final answer
    x = 151,696.02

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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.