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Finding the Fourth Proportional to 273,752.31, 410,628.47 and 86,763.81

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Solution

The fourth proportional to 273,752.31, 410,628.47 and 86,763.81 is: 130,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,752.31 : 410,628.47 = 86,763.81 : x
  2. Step 2: Convert to fraction form
    273,752.31/410,628.47 = 86,763.81/x
  3. Step 3: Cross multiply
    273,752.31x = 410,628.47 × 86,763.81
  4. Step 4: Simplify right side
    273,752.31x = 35,627,690,551.67
  5. Step 5: Solve for x
    x = 35,627,690,551.67/273,752.31
  6. Step 6: Final answer
    x = 130,145.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.