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Finding the Fourth Proportional to 96,251.40, 144,374.40 and 43,660.80

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Solution

The fourth proportional to 96,251.40, 144,374.40 and 43,660.80 is: 65,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,251.40 : 144,374.40 = 43,660.80 : x
  2. Step 2: Convert to fraction form
    96,251.40/144,374.40 = 43,660.80/x
  3. Step 3: Cross multiply
    96,251.40x = 144,374.40 × 43,660.80
  4. Step 4: Simplify right side
    96,251.40x = 6,303,501,803.52
  5. Step 5: Solve for x
    x = 6,303,501,803.52/96,251.40
  6. Step 6: Final answer
    x = 65,489.98

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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.