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Finding the Fourth Proportional to 146,483.60, 219,811.80 and 96,707.60

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Solution

The fourth proportional to 146,483.60, 219,811.80 and 96,707.60 is: 145,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,483.60 : 219,811.80 = 96,707.60 : x
  2. Step 2: Convert to fraction form
    146,483.60/219,811.80 = 96,707.60/x
  3. Step 3: Cross multiply
    146,483.60x = 219,811.80 × 96,707.60
  4. Step 4: Simplify right side
    146,483.60x = 21,257,471,629.68
  5. Step 5: Solve for x
    x = 21,257,471,629.68/146,483.60
  6. Step 6: Final answer
    x = 145,118.44

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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.