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Finding the Fourth Proportional to 191,337.56, 264,058.47 and 106,454.82

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Solution

The fourth proportional to 191,337.56, 264,058.47 and 106,454.82 is: 146,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,337.56 : 264,058.47 = 106,454.82 : x
  2. Step 2: Convert to fraction form
    191,337.56/264,058.47 = 106,454.82/x
  3. Step 3: Cross multiply
    191,337.56x = 264,058.47 × 106,454.82
  4. Step 4: Simplify right side
    191,337.56x = 28,110,296,893.33
  5. Step 5: Solve for x
    x = 28,110,296,893.33/191,337.56
  6. Step 6: Final answer
    x = 146,914.68

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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.