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Finding the Fourth Proportional to 110,817.68, 152,824.59 and 88,231.23

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Solution

The fourth proportional to 110,817.68, 152,824.59 and 88,231.23 is: 121,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.68 : 152,824.59 = 88,231.23 : x
  2. Step 2: Convert to fraction form
    110,817.68/152,824.59 = 88,231.23/x
  3. Step 3: Cross multiply
    110,817.68x = 152,824.59 × 88,231.23
  4. Step 4: Simplify right side
    110,817.68x = 13,483,901,549.95
  5. Step 5: Solve for x
    x = 13,483,901,549.95/110,817.68
  6. Step 6: Final answer
    x = 121,676.45

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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.