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Finding the Fourth Proportional to 96,317.52, 144,264.60 and 79,486.80

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Solution

The fourth proportional to 96,317.52, 144,264.60 and 79,486.80 is: 119,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,317.52 : 144,264.60 = 79,486.80 : x
  2. Step 2: Convert to fraction form
    96,317.52/144,264.60 = 79,486.80/x
  3. Step 3: Cross multiply
    96,317.52x = 144,264.60 × 79,486.80
  4. Step 4: Simplify right side
    96,317.52x = 11,467,131,407.28
  5. Step 5: Solve for x
    x = 11,467,131,407.28/96,317.52
  6. Step 6: Final answer
    x = 119,055.51

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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.