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Finding the Fourth Proportional to 194,092.36, 291,040.02 and 88,821.16

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Solution

The fourth proportional to 194,092.36, 291,040.02 and 88,821.16 is: 133,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,092.36 : 291,040.02 = 88,821.16 : x
  2. Step 2: Convert to fraction form
    194,092.36/291,040.02 = 88,821.16/x
  3. Step 3: Cross multiply
    194,092.36x = 291,040.02 × 88,821.16
  4. Step 4: Simplify right side
    194,092.36x = 25,850,512,182.82
  5. Step 5: Solve for x
    x = 25,850,512,182.82/194,092.36
  6. Step 6: Final answer
    x = 133,186.65

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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.