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Finding the Fourth Proportional to 127,612, 191,505.66 and 44,506

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Solution

The fourth proportional to 127,612, 191,505.66 and 44,506 is: 66,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612 : 191,505.66 = 44,506 : x
  2. Step 2: Convert to fraction form
    127,612/191,505.66 = 44,506/x
  3. Step 3: Cross multiply
    127,612x = 191,505.66 × 44,506
  4. Step 4: Simplify right side
    127,612x = 8,523,150,903.96
  5. Step 5: Solve for x
    x = 8,523,150,903.96/127,612
  6. Step 6: Final answer
    x = 66,789.57

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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.