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Finding the Fourth Proportional to 188,659.78, 282,953.56 and 73,254.28

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Solution

The fourth proportional to 188,659.78, 282,953.56 and 73,254.28 is: 109,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,659.78 : 282,953.56 = 73,254.28 : x
  2. Step 2: Convert to fraction form
    188,659.78/282,953.56 = 73,254.28/x
  3. Step 3: Cross multiply
    188,659.78x = 282,953.56 × 73,254.28
  4. Step 4: Simplify right side
    188,659.78x = 20,727,559,311.24
  5. Step 5: Solve for x
    x = 20,727,559,311.24/188,659.78
  6. Step 6: Final answer
    x = 109,867.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.