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Finding the Fourth Proportional to 96,659.80, 144,816.90 and 79,034.20

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Solution

The fourth proportional to 96,659.80, 144,816.90 and 79,034.20 is: 118,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,659.80 : 144,816.90 = 79,034.20 : x
  2. Step 2: Convert to fraction form
    96,659.80/144,816.90 = 79,034.20/x
  3. Step 3: Cross multiply
    96,659.80x = 144,816.90 × 79,034.20
  4. Step 4: Simplify right side
    96,659.80x = 11,445,487,837.98
  5. Step 5: Solve for x
    x = 11,445,487,837.98/96,659.80
  6. Step 6: Final answer
    x = 118,410.01

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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.