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Finding the Fourth Proportional to 202,500.30, 303,750.45 and 201,333.90

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Solution

The fourth proportional to 202,500.30, 303,750.45 and 201,333.90 is: 302,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.30 : 303,750.45 = 201,333.90 : x
  2. Step 2: Convert to fraction form
    202,500.30/303,750.45 = 201,333.90/x
  3. Step 3: Cross multiply
    202,500.30x = 303,750.45 × 201,333.90
  4. Step 4: Simplify right side
    202,500.30x = 61,155,262,725.26
  5. Step 5: Solve for x
    x = 61,155,262,725.26/202,500.30
  6. Step 6: Final answer
    x = 302,000.85

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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.