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Finding the Fourth Proportional to 221,610.54, 333,911.69 and 183,031.86

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Solution

The fourth proportional to 221,610.54, 333,911.69 and 183,031.86 is: 275,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,610.54 : 333,911.69 = 183,031.86 : x
  2. Step 2: Convert to fraction form
    221,610.54/333,911.69 = 183,031.86/x
  3. Step 3: Cross multiply
    221,610.54x = 333,911.69 × 183,031.86
  4. Step 4: Simplify right side
    221,610.54x = 61,116,476,781.28
  5. Step 5: Solve for x
    x = 61,116,476,781.28/221,610.54
  6. Step 6: Final answer
    x = 275,783.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.