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Finding the Fourth Proportional to 192,407.60, 265,521.70 and 107,524.64

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Solution

The fourth proportional to 192,407.60, 265,521.70 and 107,524.64 is: 148,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,407.60 : 265,521.70 = 107,524.64 : x
  2. Step 2: Convert to fraction form
    192,407.60/265,521.70 = 107,524.64/x
  3. Step 3: Cross multiply
    192,407.60x = 265,521.70 × 107,524.64
  4. Step 4: Simplify right side
    192,407.60x = 28,550,125,204.69
  5. Step 5: Solve for x
    x = 28,550,125,204.69/192,407.60
  6. Step 6: Final answer
    x = 148,383.56

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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.