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Finding the Fourth Proportional to 185,224.01, 255,610.89 and 100,342.89

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Solution

The fourth proportional to 185,224.01, 255,610.89 and 100,342.89 is: 138,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,224.01 : 255,610.89 = 100,342.89 : x
  2. Step 2: Convert to fraction form
    185,224.01/255,610.89 = 100,342.89/x
  3. Step 3: Cross multiply
    185,224.01x = 255,610.89 × 100,342.89
  4. Step 4: Simplify right side
    185,224.01x = 25,648,735,418.07
  5. Step 5: Solve for x
    x = 25,648,735,418.07/185,224.01
  6. Step 6: Final answer
    x = 138,474.14

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1.5x scale

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.