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Finding the Fourth Proportional to 561,102.89, 841,772.61 and 181,994.13

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Solution

The fourth proportional to 561,102.89, 841,772.61 and 181,994.13 is: 273,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,102.89 : 841,772.61 = 181,994.13 : x
  2. Step 2: Convert to fraction form
    561,102.89/841,772.61 = 181,994.13/x
  3. Step 3: Cross multiply
    561,102.89x = 841,772.61 × 181,994.13
  4. Step 4: Simplify right side
    561,102.89x = 153,197,676,694.12
  5. Step 5: Solve for x
    x = 153,197,676,694.12/561,102.89
  6. Step 6: Final answer
    x = 273,029.56

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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.