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Finding the Fourth Proportional to 561,383.48, 841,973.61 and 161,926.04

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Solution

The fourth proportional to 561,383.48, 841,973.61 and 161,926.04 is: 242,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,383.48 : 841,973.61 = 161,926.04 : x
  2. Step 2: Convert to fraction form
    561,383.48/841,973.61 = 161,926.04/x
  3. Step 3: Cross multiply
    561,383.48x = 841,973.61 × 161,926.04
  4. Step 4: Simplify right side
    561,383.48x = 136,337,452,451.80
  5. Step 5: Solve for x
    x = 136,337,452,451.80/561,383.48
  6. Step 6: Final answer
    x = 242,859.75

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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.