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Finding the Fourth Proportional to 354,256.48, 531,285.92 and 98,027.33

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Solution

The fourth proportional to 354,256.48, 531,285.92 and 98,027.33 is: 147,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,256.48 : 531,285.92 = 98,027.33 : x
  2. Step 2: Convert to fraction form
    354,256.48/531,285.92 = 98,027.33/x
  3. Step 3: Cross multiply
    354,256.48x = 531,285.92 × 98,027.33
  4. Step 4: Simplify right side
    354,256.48x = 52,080,541,042.27
  5. Step 5: Solve for x
    x = 52,080,541,042.27/354,256.48
  6. Step 6: Final answer
    x = 147,013.66

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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.