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Finding the Fourth Proportional to 265,984.90, 367,008.90 and 158,564.92

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Solution

The fourth proportional to 265,984.90, 367,008.90 and 158,564.92 is: 218,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,984.90 : 367,008.90 = 158,564.92 : x
  2. Step 2: Convert to fraction form
    265,984.90/367,008.90 = 158,564.92/x
  3. Step 3: Cross multiply
    265,984.90x = 367,008.90 × 158,564.92
  4. Step 4: Simplify right side
    265,984.90x = 58,194,736,867.79
  5. Step 5: Solve for x
    x = 58,194,736,867.79/265,984.90
  6. Step 6: Final answer
    x = 218,789.63

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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.