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Finding the Fourth Proportional to 561,100.60, 841,769.25 and 181,991.89

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Solution

The fourth proportional to 561,100.60, 841,769.25 and 181,991.89 is: 273,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,100.60 : 841,769.25 = 181,991.89 : x
  2. Step 2: Convert to fraction form
    561,100.60/841,769.25 = 181,991.89/x
  3. Step 3: Cross multiply
    561,100.60x = 841,769.25 × 181,991.89
  4. Step 4: Simplify right side
    561,100.60x = 153,195,175,809.34
  5. Step 5: Solve for x
    x = 153,195,175,809.34/561,100.60
  6. Step 6: Final answer
    x = 273,026.22

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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.