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Finding the Fourth Proportional to 127,630, 191,532.66 and 44,524

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Solution

The fourth proportional to 127,630, 191,532.66 and 44,524 is: 66,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630 : 191,532.66 = 44,524 : x
  2. Step 2: Convert to fraction form
    127,630/191,532.66 = 44,524/x
  3. Step 3: Cross multiply
    127,630x = 191,532.66 × 44,524
  4. Step 4: Simplify right side
    127,630x = 8,527,800,153.84
  5. Step 5: Solve for x
    x = 8,527,800,153.84/127,630
  6. Step 6: Final answer
    x = 66,816.58

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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.