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Finding the Fourth Proportional to 561,105.34, 841,776.39 and 181,996.63

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Solution

The fourth proportional to 561,105.34, 841,776.39 and 181,996.63 is: 273,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,105.34 : 841,776.39 = 181,996.63 : x
  2. Step 2: Convert to fraction form
    561,105.34/841,776.39 = 181,996.63/x
  3. Step 3: Cross multiply
    561,105.34x = 841,776.39 × 181,996.63
  4. Step 4: Simplify right side
    561,105.34x = 153,200,466,193.57
  5. Step 5: Solve for x
    x = 153,200,466,193.57/561,105.34
  6. Step 6: Final answer
    x = 273,033.34

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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.