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Finding the Fourth Proportional to 126,492.70, 189,800.56 and 59,853.44

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Solution

The fourth proportional to 126,492.70, 189,800.56 and 59,853.44 is: 89,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,492.70 : 189,800.56 = 59,853.44 : x
  2. Step 2: Convert to fraction form
    126,492.70/189,800.56 = 59,853.44/x
  3. Step 3: Cross multiply
    126,492.70x = 189,800.56 × 59,853.44
  4. Step 4: Simplify right side
    126,492.70x = 11,360,216,429.93
  5. Step 5: Solve for x
    x = 11,360,216,429.93/126,492.70
  6. Step 6: Final answer
    x = 89,809.27

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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.