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Finding the Fourth Proportional to 110,817.93, 152,824.94 and 88,231.48

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Solution

The fourth proportional to 110,817.93, 152,824.94 and 88,231.48 is: 121,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.93 : 152,824.94 = 88,231.48 : x
  2. Step 2: Convert to fraction form
    110,817.93/152,824.94 = 88,231.48/x
  3. Step 3: Cross multiply
    110,817.93x = 152,824.94 × 88,231.48
  4. Step 4: Simplify right side
    110,817.93x = 13,483,970,195.95
  5. Step 5: Solve for x
    x = 13,483,970,195.95/110,817.93
  6. Step 6: Final answer
    x = 121,676.80

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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.