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Finding the Fourth Proportional to 229,113.82, 343,674.62 and 79,358.55

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Solution

The fourth proportional to 229,113.82, 343,674.62 and 79,358.55 is: 119,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,113.82 : 343,674.62 = 79,358.55 : x
  2. Step 2: Convert to fraction form
    229,113.82/343,674.62 = 79,358.55/x
  3. Step 3: Cross multiply
    229,113.82x = 343,674.62 × 79,358.55
  4. Step 4: Simplify right side
    229,113.82x = 27,273,519,515.00
  5. Step 5: Solve for x
    x = 27,273,519,515.00/229,113.82
  6. Step 6: Final answer
    x = 119,039.17

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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.