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Finding the Fourth Proportional to 561,103.84, 841,774.13 and 181,995.13

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Solution

The fourth proportional to 561,103.84, 841,774.13 and 181,995.13 is: 273,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,103.84 : 841,774.13 = 181,995.13 : x
  2. Step 2: Convert to fraction form
    561,103.84/841,774.13 = 181,995.13/x
  3. Step 3: Cross multiply
    561,103.84x = 841,774.13 × 181,995.13
  4. Step 4: Simplify right side
    561,103.84x = 153,198,792,219.99
  5. Step 5: Solve for x
    x = 153,198,792,219.99/561,103.84
  6. Step 6: Final answer
    x = 273,031.09

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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.