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Finding the Fourth Proportional to 265,263.10, 366,051.87 and 144,401.88

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Solution

The fourth proportional to 265,263.10, 366,051.87 and 144,401.88 is: 199,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,263.10 : 366,051.87 = 144,401.88 : x
  2. Step 2: Convert to fraction form
    265,263.10/366,051.87 = 144,401.88/x
  3. Step 3: Cross multiply
    265,263.10x = 366,051.87 × 144,401.88
  4. Step 4: Simplify right side
    265,263.10x = 52,858,578,205.52
  5. Step 5: Solve for x
    x = 52,858,578,205.52/265,263.10
  6. Step 6: Final answer
    x = 199,268.49

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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.