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Finding the Fourth Proportional to 242,899.46, 335,201.85 and 135,476.45

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Solution

The fourth proportional to 242,899.46, 335,201.85 and 135,476.45 is: 186,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,899.46 : 335,201.85 = 135,476.45 : x
  2. Step 2: Convert to fraction form
    242,899.46/335,201.85 = 135,476.45/x
  3. Step 3: Cross multiply
    242,899.46x = 335,201.85 × 135,476.45
  4. Step 4: Simplify right side
    242,899.46x = 45,411,955,994.05
  5. Step 5: Solve for x
    x = 45,411,955,994.05/242,899.46
  6. Step 6: Final answer
    x = 186,957.83

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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.