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Finding the Fourth Proportional to 129,954.52, 194,727.66 and 100,444.60

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Solution

The fourth proportional to 129,954.52, 194,727.66 and 100,444.60 is: 150,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,954.52 : 194,727.66 = 100,444.60 : x
  2. Step 2: Convert to fraction form
    129,954.52/194,727.66 = 100,444.60/x
  3. Step 3: Cross multiply
    129,954.52x = 194,727.66 × 100,444.60
  4. Step 4: Simplify right side
    129,954.52x = 19,559,341,917.64
  5. Step 5: Solve for x
    x = 19,559,341,917.64/129,954.52
  6. Step 6: Final answer
    x = 150,509.13

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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.