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Finding the Fourth Proportional to 161,241.33, 241,864.01 and 42,911.94

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Solution

The fourth proportional to 161,241.33, 241,864.01 and 42,911.94 is: 64,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,241.33 : 241,864.01 = 42,911.94 : x
  2. Step 2: Convert to fraction form
    161,241.33/241,864.01 = 42,911.94/x
  3. Step 3: Cross multiply
    161,241.33x = 241,864.01 × 42,911.94
  4. Step 4: Simplify right side
    161,241.33x = 10,378,853,885.28
  5. Step 5: Solve for x
    x = 10,378,853,885.28/161,241.33
  6. Step 6: Final answer
    x = 64,368.45

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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.