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Finding the Fourth Proportional to 192,564.76, 265,649.82 and 124,603.66

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Solution

The fourth proportional to 192,564.76, 265,649.82 and 124,603.66 is: 171,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,564.76 : 265,649.82 = 124,603.66 : x
  2. Step 2: Convert to fraction form
    192,564.76/265,649.82 = 124,603.66/x
  3. Step 3: Cross multiply
    192,564.76x = 265,649.82 × 124,603.66
  4. Step 4: Simplify right side
    192,564.76x = 33,100,939,850.34
  5. Step 5: Solve for x
    x = 33,100,939,850.34/192,564.76
  6. Step 6: Final answer
    x = 171,895.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.