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Finding the Fourth Proportional to 96,897, 145,328.70 and 26,757.48

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Solution

The fourth proportional to 96,897, 145,328.70 and 26,757.48 is: 40,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,897 : 145,328.70 = 26,757.48 : x
  2. Step 2: Convert to fraction form
    96,897/145,328.70 = 26,757.48/x
  3. Step 3: Cross multiply
    96,897x = 145,328.70 × 26,757.48
  4. Step 4: Simplify right side
    96,897x = 3,888,629,783.68
  5. Step 5: Solve for x
    x = 3,888,629,783.68/96,897
  6. Step 6: Final answer
    x = 40,131.58

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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.