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Finding the Fourth Proportional to 67,045.93, 100,544.04 and 19,648.87

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Solution

The fourth proportional to 67,045.93, 100,544.04 and 19,648.87 is: 29,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.93 : 100,544.04 = 19,648.87 : x
  2. Step 2: Convert to fraction form
    67,045.93/100,544.04 = 19,648.87/x
  3. Step 3: Cross multiply
    67,045.93x = 100,544.04 × 19,648.87
  4. Step 4: Simplify right side
    67,045.93x = 1,975,576,519.87
  5. Step 5: Solve for x
    x = 1,975,576,519.87/67,045.93
  6. Step 6: Final answer
    x = 29,466.02

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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.