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Finding the Fourth Proportional to 265,639.01, 366,582.11 and 144,780.39

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Solution

The fourth proportional to 265,639.01, 366,582.11 and 144,780.39 is: 199,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,639.01 : 366,582.11 = 144,780.39 : x
  2. Step 2: Convert to fraction form
    265,639.01/366,582.11 = 144,780.39/x
  3. Step 3: Cross multiply
    265,639.01x = 366,582.11 × 144,780.39
  4. Step 4: Simplify right side
    265,639.01x = 53,073,900,128.92
  5. Step 5: Solve for x
    x = 53,073,900,128.92/265,639.01
  6. Step 6: Final answer
    x = 199,797.09

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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.