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Finding the Fourth Proportional to 202,669.60, 303,129.60 and 171,176.80

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Solution

The fourth proportional to 202,669.60, 303,129.60 and 171,176.80 is: 256,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,669.60 : 303,129.60 = 171,176.80 : x
  2. Step 2: Convert to fraction form
    202,669.60/303,129.60 = 171,176.80/x
  3. Step 3: Cross multiply
    202,669.60x = 303,129.60 × 171,176.80
  4. Step 4: Simplify right side
    202,669.60x = 51,888,754,913.28
  5. Step 5: Solve for x
    x = 51,888,754,913.28/202,669.60
  6. Step 6: Final answer
    x = 256,026.34

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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.