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Finding the Fourth Proportional to 265,141.71, 365,903.25 and 144,290.79

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Solution

The fourth proportional to 265,141.71, 365,903.25 and 144,290.79 is: 199,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,141.71 : 365,903.25 = 144,290.79 : x
  2. Step 2: Convert to fraction form
    265,141.71/365,903.25 = 144,290.79/x
  3. Step 3: Cross multiply
    265,141.71x = 365,903.25 × 144,290.79
  4. Step 4: Simplify right side
    265,141.71x = 52,796,467,092.84
  5. Step 5: Solve for x
    x = 52,796,467,092.84/265,141.71
  6. Step 6: Final answer
    x = 199,125.47

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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.