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Finding the Fourth Proportional to 192,524.64, 265,678.56 and 107,649.60

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Solution

The fourth proportional to 192,524.64, 265,678.56 and 107,649.60 is: 148,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,524.64 : 265,678.56 = 107,649.60 : x
  2. Step 2: Convert to fraction form
    192,524.64/265,678.56 = 107,649.60/x
  3. Step 3: Cross multiply
    192,524.64x = 265,678.56 × 107,649.60
  4. Step 4: Simplify right side
    192,524.64x = 28,600,190,712.58
  5. Step 5: Solve for x
    x = 28,600,190,712.58/192,524.64
  6. Step 6: Final answer
    x = 148,553.40

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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.