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Finding the Fourth Proportional to 202,606.70, 303,509.10 and 177,674.90

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Solution

The fourth proportional to 202,606.70, 303,509.10 and 177,674.90 is: 266,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,606.70 : 303,509.10 = 177,674.90 : x
  2. Step 2: Convert to fraction form
    202,606.70/303,509.10 = 177,674.90/x
  3. Step 3: Cross multiply
    202,606.70x = 303,509.10 × 177,674.90
  4. Step 4: Simplify right side
    202,606.70x = 53,925,948,991.59
  5. Step 5: Solve for x
    x = 53,925,948,991.59/202,606.70
  6. Step 6: Final answer
    x = 266,160.74

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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.