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Finding the Fourth Proportional to 448,071.93, 672,239.12 and 132,537.24

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Solution

The fourth proportional to 448,071.93, 672,239.12 and 132,537.24 is: 198,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,071.93 : 672,239.12 = 132,537.24 : x
  2. Step 2: Convert to fraction form
    448,071.93/672,239.12 = 132,537.24/x
  3. Step 3: Cross multiply
    448,071.93x = 672,239.12 × 132,537.24
  4. Step 4: Simplify right side
    448,071.93x = 89,096,717,584.83
  5. Step 5: Solve for x
    x = 89,096,717,584.83/448,071.93
  6. Step 6: Final answer
    x = 198,844.68

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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.