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Finding the Fourth Proportional to 265,503.82, 366,393.36 and 144,645.07

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Solution

The fourth proportional to 265,503.82, 366,393.36 and 144,645.07 is: 199,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,503.82 : 366,393.36 = 144,645.07 : x
  2. Step 2: Convert to fraction form
    265,503.82/366,393.36 = 144,645.07/x
  3. Step 3: Cross multiply
    265,503.82x = 366,393.36 × 144,645.07
  4. Step 4: Simplify right side
    265,503.82x = 52,996,993,204.74
  5. Step 5: Solve for x
    x = 52,996,993,204.74/265,503.82
  6. Step 6: Final answer
    x = 199,609.16

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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.