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Finding the Fourth Proportional to 127,422, 191,133 and 44,316

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Solution

The fourth proportional to 127,422, 191,133 and 44,316 is: 66,474

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422 : 191,133 = 44,316 : x
  2. Step 2: Convert to fraction form
    127,422/191,133 = 44,316/x
  3. Step 3: Cross multiply
    127,422x = 191,133 × 44,316
  4. Step 4: Simplify right side
    127,422x = 8,470,250,028
  5. Step 5: Solve for x
    x = 8,470,250,028/127,422
  6. Step 6: Final answer
    x = 66,474

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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.