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Finding the Fourth Proportional to 96,499.52, 144,697.44 and 43,920.80

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Solution

The fourth proportional to 96,499.52, 144,697.44 and 43,920.80 is: 65,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,499.52 : 144,697.44 = 43,920.80 : x
  2. Step 2: Convert to fraction form
    96,499.52/144,697.44 = 43,920.80/x
  3. Step 3: Cross multiply
    96,499.52x = 144,697.44 × 43,920.80
  4. Step 4: Simplify right side
    96,499.52x = 6,355,227,322.75
  5. Step 5: Solve for x
    x = 6,355,227,322.75/96,499.52
  6. Step 6: Final answer
    x = 65,857.61

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1.5x scale

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.