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Finding the Fourth Proportional to 265,588.70, 366,507.86 and 144,731.03

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Solution

The fourth proportional to 265,588.70, 366,507.86 and 144,731.03 is: 199,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,588.70 : 366,507.86 = 144,731.03 : x
  2. Step 2: Convert to fraction form
    265,588.70/366,507.86 = 144,731.03/x
  3. Step 3: Cross multiply
    265,588.70x = 366,507.86 × 144,731.03
  4. Step 4: Simplify right side
    265,588.70x = 53,045,057,524.70
  5. Step 5: Solve for x
    x = 53,045,057,524.70/265,588.70
  6. Step 6: Final answer
    x = 199,726.34

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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.