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Finding the Fourth Proportional to 239,596.49, 359,356.64 and 79,659.13

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Solution

The fourth proportional to 239,596.49, 359,356.64 and 79,659.13 is: 119,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,596.49 : 359,356.64 = 79,659.13 : x
  2. Step 2: Convert to fraction form
    239,596.49/359,356.64 = 79,659.13/x
  3. Step 3: Cross multiply
    239,596.49x = 359,356.64 × 79,659.13
  4. Step 4: Simplify right side
    239,596.49x = 28,626,037,302.12
  5. Step 5: Solve for x
    x = 28,626,037,302.12/239,596.49
  6. Step 6: Final answer
    x = 119,476.03

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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.