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Finding the Fourth Proportional to 88,086.64, 121,524.96 and 50,340.64

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Solution

The fourth proportional to 88,086.64, 121,524.96 and 50,340.64 is: 69,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086.64 : 121,524.96 = 50,340.64 : x
  2. Step 2: Convert to fraction form
    88,086.64/121,524.96 = 50,340.64/x
  3. Step 3: Cross multiply
    88,086.64x = 121,524.96 × 50,340.64
  4. Step 4: Simplify right side
    88,086.64x = 6,117,644,262.37
  5. Step 5: Solve for x
    x = 6,117,644,262.37/88,086.64
  6. Step 6: Final answer
    x = 69,450.31

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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.