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Finding the Fourth Proportional to 189,039.91, 283,587.88 and 60,913.27

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Solution

The fourth proportional to 189,039.91, 283,587.88 and 60,913.27 is: 91,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,039.91 : 283,587.88 = 60,913.27 : x
  2. Step 2: Convert to fraction form
    189,039.91/283,587.88 = 60,913.27/x
  3. Step 3: Cross multiply
    189,039.91x = 283,587.88 × 60,913.27
  4. Step 4: Simplify right side
    189,039.91x = 17,274,265,103.17
  5. Step 5: Solve for x
    x = 17,274,265,103.17/189,039.91
  6. Step 6: Final answer
    x = 91,378.93

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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.