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Finding the Fourth Proportional to 265,581.66, 366,493.42 and 144,720.52

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Solution

The fourth proportional to 265,581.66, 366,493.42 and 144,720.52 is: 199,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,581.66 : 366,493.42 = 144,720.52 : x
  2. Step 2: Convert to fraction form
    265,581.66/366,493.42 = 144,720.52/x
  3. Step 3: Cross multiply
    265,581.66x = 366,493.42 × 144,720.52
  4. Step 4: Simplify right side
    265,581.66x = 53,039,118,318.98
  5. Step 5: Solve for x
    x = 53,039,118,318.98/265,581.66
  6. Step 6: Final answer
    x = 199,709.27

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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.