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Finding the Fourth Proportional to 242,905.84, 335,208.96 and 134,007.20

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Solution

The fourth proportional to 242,905.84, 335,208.96 and 134,007.20 is: 184,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,905.84 : 335,208.96 = 134,007.20 : x
  2. Step 2: Convert to fraction form
    242,905.84/335,208.96 = 134,007.20/x
  3. Step 3: Cross multiply
    242,905.84x = 335,208.96 × 134,007.20
  4. Step 4: Simplify right side
    242,905.84x = 44,920,414,144.51
  5. Step 5: Solve for x
    x = 44,920,414,144.51/242,905.84
  6. Step 6: Final answer
    x = 184,929.33

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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.