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Finding the Fourth Proportional to 157,990.60, 218,029.62 and 94,333.96

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Solution

The fourth proportional to 157,990.60, 218,029.62 and 94,333.96 is: 130,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,990.60 : 218,029.62 = 94,333.96 : x
  2. Step 2: Convert to fraction form
    157,990.60/218,029.62 = 94,333.96/x
  3. Step 3: Cross multiply
    157,990.60x = 218,029.62 × 94,333.96
  4. Step 4: Simplify right side
    157,990.60x = 20,567,597,451.90
  5. Step 5: Solve for x
    x = 20,567,597,451.90/157,990.60
  6. Step 6: Final answer
    x = 130,182.41

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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.