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Finding the Fourth Proportional to 243,308.98, 335,579.79 and 146,411.82

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Solution

The fourth proportional to 243,308.98, 335,579.79 and 146,411.82 is: 201,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,308.98 : 335,579.79 = 146,411.82 : x
  2. Step 2: Convert to fraction form
    243,308.98/335,579.79 = 146,411.82/x
  3. Step 3: Cross multiply
    243,308.98x = 335,579.79 × 146,411.82
  4. Step 4: Simplify right side
    243,308.98x = 49,132,848,358.16
  5. Step 5: Solve for x
    x = 49,132,848,358.16/243,308.98
  6. Step 6: Final answer
    x = 201,936.02

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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.