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Finding the Fourth Proportional to 561,102.60, 841,772.26 and 181,993.88

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Solution

The fourth proportional to 561,102.60, 841,772.26 and 181,993.88 is: 273,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,102.60 : 841,772.26 = 181,993.88 : x
  2. Step 2: Convert to fraction form
    561,102.60/841,772.26 = 181,993.88/x
  3. Step 3: Cross multiply
    561,102.60x = 841,772.26 × 181,993.88
  4. Step 4: Simplify right side
    561,102.60x = 153,197,399,673.77
  5. Step 5: Solve for x
    x = 153,197,399,673.77/561,102.60
  6. Step 6: Final answer
    x = 273,029.21

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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.