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Finding the Fourth Proportional to 127,888, 191,901.12 and 62,224

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Solution

The fourth proportional to 127,888, 191,901.12 and 62,224 is: 93,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,888 : 191,901.12 = 62,224 : x
  2. Step 2: Convert to fraction form
    127,888/191,901.12 = 62,224/x
  3. Step 3: Cross multiply
    127,888x = 191,901.12 × 62,224
  4. Step 4: Simplify right side
    127,888x = 11,940,855,290.88
  5. Step 5: Solve for x
    x = 11,940,855,290.88/127,888
  6. Step 6: Final answer
    x = 93,369.63

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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.