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Finding the Fourth Proportional to 242,313.28, 363,527.43 and 76,101.28

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Solution

The fourth proportional to 242,313.28, 363,527.43 and 76,101.28 is: 114,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,313.28 : 363,527.43 = 76,101.28 : x
  2. Step 2: Convert to fraction form
    242,313.28/363,527.43 = 76,101.28/x
  3. Step 3: Cross multiply
    242,313.28x = 363,527.43 × 76,101.28
  4. Step 4: Simplify right side
    242,313.28x = 27,664,902,738.11
  5. Step 5: Solve for x
    x = 27,664,902,738.11/242,313.28
  6. Step 6: Final answer
    x = 114,169.98

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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.