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Finding the Fourth Proportional to 242,813.16, 335,086.33 and 133,930.01

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Solution

The fourth proportional to 242,813.16, 335,086.33 and 133,930.01 is: 184,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,813.16 : 335,086.33 = 133,930.01 : x
  2. Step 2: Convert to fraction form
    242,813.16/335,086.33 = 133,930.01/x
  3. Step 3: Cross multiply
    242,813.16x = 335,086.33 × 133,930.01
  4. Step 4: Simplify right side
    242,813.16x = 44,878,115,527.76
  5. Step 5: Solve for x
    x = 44,878,115,527.76/242,813.16
  6. Step 6: Final answer
    x = 184,825.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.