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Finding the Fourth Proportional to 194,065.02, 290,999.07 and 88,793.76

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Solution

The fourth proportional to 194,065.02, 290,999.07 and 88,793.76 is: 133,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,065.02 : 290,999.07 = 88,793.76 : x
  2. Step 2: Convert to fraction form
    194,065.02/290,999.07 = 88,793.76/x
  3. Step 3: Cross multiply
    194,065.02x = 290,999.07 × 88,793.76
  4. Step 4: Simplify right side
    194,065.02x = 25,838,901,581.80
  5. Step 5: Solve for x
    x = 25,838,901,581.80/194,065.02
  6. Step 6: Final answer
    x = 133,145.59

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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.