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Finding the Fourth Proportional to 202,620.96, 303,931.53 and 52,861.05

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Solution

The fourth proportional to 202,620.96, 303,931.53 and 52,861.05 is: 79,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,620.96 : 303,931.53 = 52,861.05 : x
  2. Step 2: Convert to fraction form
    202,620.96/303,931.53 = 52,861.05/x
  3. Step 3: Cross multiply
    202,620.96x = 303,931.53 × 52,861.05
  4. Step 4: Simplify right side
    202,620.96x = 16,066,139,803.91
  5. Step 5: Solve for x
    x = 16,066,139,803.91/202,620.96
  6. Step 6: Final answer
    x = 79,291.60

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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.