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Finding the Fourth Proportional to 101,911.16, 152,796.96 and 51,894.44

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Solution

The fourth proportional to 101,911.16, 152,796.96 and 51,894.44 is: 77,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,911.16 : 152,796.96 = 51,894.44 : x
  2. Step 2: Convert to fraction form
    101,911.16/152,796.96 = 51,894.44/x
  3. Step 3: Cross multiply
    101,911.16x = 152,796.96 × 51,894.44
  4. Step 4: Simplify right side
    101,911.16x = 7,929,312,672.90
  5. Step 5: Solve for x
    x = 7,929,312,672.90/101,911.16
  6. Step 6: Final answer
    x = 77,806.13

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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.