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Finding the Fourth Proportional to 265,520.96, 366,415.56 and 144,667.28

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Solution

The fourth proportional to 265,520.96, 366,415.56 and 144,667.28 is: 199,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,520.96 : 366,415.56 = 144,667.28 : x
  2. Step 2: Convert to fraction form
    265,520.96/366,415.56 = 144,667.28/x
  3. Step 3: Cross multiply
    265,520.96x = 366,415.56 × 144,667.28
  4. Step 4: Simplify right side
    265,520.96x = 53,008,342,414.88
  5. Step 5: Solve for x
    x = 53,008,342,414.88/265,520.96
  6. Step 6: Final answer
    x = 199,639.01

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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.