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Finding the Fourth Proportional to 64,231.74, 96,205.02 and 49,330.98

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Solution

The fourth proportional to 64,231.74, 96,205.02 and 49,330.98 is: 73,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.74 : 96,205.02 = 49,330.98 : x
  2. Step 2: Convert to fraction form
    64,231.74/96,205.02 = 49,330.98/x
  3. Step 3: Cross multiply
    64,231.74x = 96,205.02 × 49,330.98
  4. Step 4: Simplify right side
    64,231.74x = 4,745,887,917.52
  5. Step 5: Solve for x
    x = 4,745,887,917.52/64,231.74
  6. Step 6: Final answer
    x = 73,886.96

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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.