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Finding the Fourth Proportional to 265,609.80, 366,530.82 and 144,748.49

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Solution

The fourth proportional to 265,609.80, 366,530.82 and 144,748.49 is: 199,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,609.80 : 366,530.82 = 144,748.49 : x
  2. Step 2: Convert to fraction form
    265,609.80/366,530.82 = 144,748.49/x
  3. Step 3: Cross multiply
    265,609.80x = 366,530.82 × 144,748.49
  4. Step 4: Simplify right side
    265,609.80x = 53,054,780,900.81
  5. Step 5: Solve for x
    x = 53,054,780,900.81/265,609.80
  6. Step 6: Final answer
    x = 199,747.08

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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.