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Finding the Fourth Proportional to 192,099.76, 265,112.72 and 107,229.60

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Solution

The fourth proportional to 192,099.76, 265,112.72 and 107,229.60 is: 147,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.76 : 265,112.72 = 107,229.60 : x
  2. Step 2: Convert to fraction form
    192,099.76/265,112.72 = 107,229.60/x
  3. Step 3: Cross multiply
    192,099.76x = 265,112.72 × 107,229.60
  4. Step 4: Simplify right side
    192,099.76x = 28,427,930,920.51
  5. Step 5: Solve for x
    x = 28,427,930,920.51/192,099.76
  6. Step 6: Final answer
    x = 147,985.25

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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.