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Finding the Fourth Proportional to 96,501.60, 144,747.60 and 49,759.20

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Solution

The fourth proportional to 96,501.60, 144,747.60 and 49,759.20 is: 74,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,501.60 : 144,747.60 = 49,759.20 : x
  2. Step 2: Convert to fraction form
    96,501.60/144,747.60 = 49,759.20/x
  3. Step 3: Cross multiply
    96,501.60x = 144,747.60 × 49,759.20
  4. Step 4: Simplify right side
    96,501.60x = 7,202,524,777.92
  5. Step 5: Solve for x
    x = 7,202,524,777.92/96,501.60
  6. Step 6: Final answer
    x = 74,636.32

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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.