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Finding the Fourth Proportional to 192,407.64, 265,350.65 and 120,794.34

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Solution

The fourth proportional to 192,407.64, 265,350.65 and 120,794.34 is: 166,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,407.64 : 265,350.65 = 120,794.34 : x
  2. Step 2: Convert to fraction form
    192,407.64/265,350.65 = 120,794.34/x
  3. Step 3: Cross multiply
    192,407.64x = 265,350.65 × 120,794.34
  4. Step 4: Simplify right side
    192,407.64x = 32,052,856,031.35
  5. Step 5: Solve for x
    x = 32,052,856,031.35/192,407.64
  6. Step 6: Final answer
    x = 166,588.27

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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.