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Finding the Fourth Proportional to 202,272.60, 303,992.10 and 176,611.80

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Solution

The fourth proportional to 202,272.60, 303,992.10 and 176,611.80 is: 265,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,272.60 : 303,992.10 = 176,611.80 : x
  2. Step 2: Convert to fraction form
    202,272.60/303,992.10 = 176,611.80/x
  3. Step 3: Cross multiply
    202,272.60x = 303,992.10 × 176,611.80
  4. Step 4: Simplify right side
    202,272.60x = 53,688,591,966.78
  5. Step 5: Solve for x
    x = 53,688,591,966.78/202,272.60
  6. Step 6: Final answer
    x = 265,426.91

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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.