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Finding the Fourth Proportional to 265,866.96, 366,972.28 and 151,207.41

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Solution

The fourth proportional to 265,866.96, 366,972.28 and 151,207.41 is: 208,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,866.96 : 366,972.28 = 151,207.41 : x
  2. Step 2: Convert to fraction form
    265,866.96/366,972.28 = 151,207.41/x
  3. Step 3: Cross multiply
    265,866.96x = 366,972.28 × 151,207.41
  4. Step 4: Simplify right side
    265,866.96x = 55,488,928,000.59
  5. Step 5: Solve for x
    x = 55,488,928,000.59/265,866.96
  6. Step 6: Final answer
    x = 208,709.38

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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.