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Finding the Fourth Proportional to 192,380.68, 265,484.78 and 107,497.81

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Solution

The fourth proportional to 192,380.68, 265,484.78 and 107,497.81 is: 148,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,380.68 : 265,484.78 = 107,497.81 : x
  2. Step 2: Convert to fraction form
    192,380.68/265,484.78 = 107,497.81/x
  3. Step 3: Cross multiply
    192,380.68x = 265,484.78 × 107,497.81
  4. Step 4: Simplify right side
    192,380.68x = 28,539,032,438.33
  5. Step 5: Solve for x
    x = 28,539,032,438.33/192,380.68
  6. Step 6: Final answer
    x = 148,346.67

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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.