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Finding the Fourth Proportional to 265,544.66, 366,455.81 and 144,685.91

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Solution

The fourth proportional to 265,544.66, 366,455.81 and 144,685.91 is: 199,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,544.66 : 366,455.81 = 144,685.91 : x
  2. Step 2: Convert to fraction form
    265,544.66/366,455.81 = 144,685.91/x
  3. Step 3: Cross multiply
    265,544.66x = 366,455.81 × 144,685.91
  4. Step 4: Simplify right side
    265,544.66x = 53,020,993,622.49
  5. Step 5: Solve for x
    x = 53,020,993,622.49/265,544.66
  6. Step 6: Final answer
    x = 199,668.84

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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.