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Finding the Fourth Proportional to 136,528.64, 188,253.44 and 110,965.04

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Solution

The fourth proportional to 136,528.64, 188,253.44 and 110,965.04 is: 153,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,528.64 : 188,253.44 = 110,965.04 : x
  2. Step 2: Convert to fraction form
    136,528.64/188,253.44 = 110,965.04/x
  3. Step 3: Cross multiply
    136,528.64x = 188,253.44 × 110,965.04
  4. Step 4: Simplify right side
    136,528.64x = 20,889,550,499.74
  5. Step 5: Solve for x
    x = 20,889,550,499.74/136,528.64
  6. Step 6: Final answer
    x = 153,004.90

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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.