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Finding the Fourth Proportional to 185,909.48, 256,556.72 and 101,026.56

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Solution

The fourth proportional to 185,909.48, 256,556.72 and 101,026.56 is: 139,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.48 : 256,556.72 = 101,026.56 : x
  2. Step 2: Convert to fraction form
    185,909.48/256,556.72 = 101,026.56/x
  3. Step 3: Cross multiply
    185,909.48x = 256,556.72 × 101,026.56
  4. Step 4: Simplify right side
    185,909.48x = 25,919,042,866.48
  5. Step 5: Solve for x
    x = 25,919,042,866.48/185,909.48
  6. Step 6: Final answer
    x = 139,417.54

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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.