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Finding the Fourth Proportional to 110,474.22, 152,512.11 and 86,223.09

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Solution

The fourth proportional to 110,474.22, 152,512.11 and 86,223.09 is: 119,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,474.22 : 152,512.11 = 86,223.09 : x
  2. Step 2: Convert to fraction form
    110,474.22/152,512.11 = 86,223.09/x
  3. Step 3: Cross multiply
    110,474.22x = 152,512.11 × 86,223.09
  4. Step 4: Simplify right side
    110,474.22x = 13,150,065,386.62
  5. Step 5: Solve for x
    x = 13,150,065,386.62/110,474.22
  6. Step 6: Final answer
    x = 119,032.89

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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.