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Finding the Fourth Proportional to 79,862.70, 119,794.05 and 37,728.93

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Solution

The fourth proportional to 79,862.70, 119,794.05 and 37,728.93 is: 56,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,862.70 : 119,794.05 = 37,728.93 : x
  2. Step 2: Convert to fraction form
    79,862.70/119,794.05 = 37,728.93/x
  3. Step 3: Cross multiply
    79,862.70x = 119,794.05 × 37,728.93
  4. Step 4: Simplify right side
    79,862.70x = 4,519,701,326.87
  5. Step 5: Solve for x
    x = 4,519,701,326.87/79,862.70
  6. Step 6: Final answer
    x = 56,593.40

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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.