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Finding the Fourth Proportional to 265,703.79, 366,668.20 and 144,842.41

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Solution

The fourth proportional to 265,703.79, 366,668.20 and 144,842.41 is: 199,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,703.79 : 366,668.20 = 144,842.41 : x
  2. Step 2: Convert to fraction form
    265,703.79/366,668.20 = 144,842.41/x
  3. Step 3: Cross multiply
    265,703.79x = 366,668.20 × 144,842.41
  4. Step 4: Simplify right side
    265,703.79x = 53,109,105,758.36
  5. Step 5: Solve for x
    x = 53,109,105,758.36/265,703.79
  6. Step 6: Final answer
    x = 199,880.87

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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.