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Finding the Fourth Proportional to 96,614.84, 144,922.80 and 43,987.52

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Solution

The fourth proportional to 96,614.84, 144,922.80 and 43,987.52 is: 65,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,614.84 : 144,922.80 = 43,987.52 : x
  2. Step 2: Convert to fraction form
    96,614.84/144,922.80 = 43,987.52/x
  3. Step 3: Cross multiply
    96,614.84x = 144,922.80 × 43,987.52
  4. Step 4: Simplify right side
    96,614.84x = 6,374,794,563.46
  5. Step 5: Solve for x
    x = 6,374,794,563.46/96,614.84
  6. Step 6: Final answer
    x = 65,981.53

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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.