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Finding the Fourth Proportional to 265,508.68, 366,406.26 and 144,655.72

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Solution

The fourth proportional to 265,508.68, 366,406.26 and 144,655.72 is: 199,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,508.68 : 366,406.26 = 144,655.72 : x
  2. Step 2: Convert to fraction form
    265,508.68/366,406.26 = 144,655.72/x
  3. Step 3: Cross multiply
    265,508.68x = 366,406.26 × 144,655.72
  4. Step 4: Simplify right side
    265,508.68x = 53,002,761,352.81
  5. Step 5: Solve for x
    x = 53,002,761,352.81/265,508.68
  6. Step 6: Final answer
    x = 199,627.23

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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.