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Finding the Fourth Proportional to 192,384.54, 265,489.65 and 107,500.86

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Solution

The fourth proportional to 192,384.54, 265,489.65 and 107,500.86 is: 148,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.54 : 265,489.65 = 107,500.86 : x
  2. Step 2: Convert to fraction form
    192,384.54/265,489.65 = 107,500.86/x
  3. Step 3: Cross multiply
    192,384.54x = 265,489.65 × 107,500.86
  4. Step 4: Simplify right side
    192,384.54x = 28,540,365,696.10
  5. Step 5: Solve for x
    x = 28,540,365,696.10/192,384.54
  6. Step 6: Final answer
    x = 148,350.62

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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.