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Finding the Fourth Proportional to 265,978.89, 367,000.62 and 158,558.91

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Solution

The fourth proportional to 265,978.89, 367,000.62 and 158,558.91 is: 218,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,978.89 : 367,000.62 = 158,558.91 : x
  2. Step 2: Convert to fraction form
    265,978.89/367,000.62 = 158,558.91/x
  3. Step 3: Cross multiply
    265,978.89x = 367,000.62 × 158,558.91
  4. Step 4: Simplify right side
    265,978.89x = 58,191,218,276.52
  5. Step 5: Solve for x
    x = 58,191,218,276.52/265,978.89
  6. Step 6: Final answer
    x = 218,781.34

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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.