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Finding the Fourth Proportional to 203,313.86, 304,944.76 and 53,565.71

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Solution

The fourth proportional to 203,313.86, 304,944.76 and 53,565.71 is: 80,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,313.86 : 304,944.76 = 53,565.71 : x
  2. Step 2: Convert to fraction form
    203,313.86/304,944.76 = 53,565.71/x
  3. Step 3: Cross multiply
    203,313.86x = 304,944.76 × 53,565.71
  4. Step 4: Simplify right side
    203,313.86x = 16,334,583,208.63
  5. Step 5: Solve for x
    x = 16,334,583,208.63/203,313.86
  6. Step 6: Final answer
    x = 80,341.71

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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.