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Finding the Fourth Proportional to 265,366.80, 366,197.49 and 144,507.15

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Solution

The fourth proportional to 265,366.80, 366,197.49 and 144,507.15 is: 199,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,366.80 : 366,197.49 = 144,507.15 : x
  2. Step 2: Convert to fraction form
    265,366.80/366,197.49 = 144,507.15/x
  3. Step 3: Cross multiply
    265,366.80x = 366,197.49 × 144,507.15
  4. Step 4: Simplify right side
    265,366.80x = 52,918,155,617.05
  5. Step 5: Solve for x
    x = 52,918,155,617.05/265,366.80
  6. Step 6: Final answer
    x = 199,415.13

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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.