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Finding the Fourth Proportional to 265,287.31, 366,098.70 and 144,429.43

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Solution

The fourth proportional to 265,287.31, 366,098.70 and 144,429.43 is: 199,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,287.31 : 366,098.70 = 144,429.43 : x
  2. Step 2: Convert to fraction form
    265,287.31/366,098.70 = 144,429.43/x
  3. Step 3: Cross multiply
    265,287.31x = 366,098.70 × 144,429.43
  4. Step 4: Simplify right side
    265,287.31x = 52,875,426,564.74
  5. Step 5: Solve for x
    x = 52,875,426,564.74/265,287.31
  6. Step 6: Final answer
    x = 199,313.82

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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.