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Finding the Fourth Proportional to 265,983.90, 367,007.52 and 158,563.92

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Solution

The fourth proportional to 265,983.90, 367,007.52 and 158,563.92 is: 218,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,983.90 : 367,007.52 = 158,563.92 : x
  2. Step 2: Convert to fraction form
    265,983.90/367,007.52 = 158,563.92/x
  3. Step 3: Cross multiply
    265,983.90x = 367,007.52 × 158,563.92
  4. Step 4: Simplify right side
    265,983.90x = 58,194,151,040.68
  5. Step 5: Solve for x
    x = 58,194,151,040.68/265,983.90
  6. Step 6: Final answer
    x = 218,788.25

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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.