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Finding the Fourth Proportional to 79,491.66, 119,148.69 and 34,461.03

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Solution

The fourth proportional to 79,491.66, 119,148.69 and 34,461.03 is: 51,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,491.66 : 119,148.69 = 34,461.03 : x
  2. Step 2: Convert to fraction form
    79,491.66/119,148.69 = 34,461.03/x
  3. Step 3: Cross multiply
    79,491.66x = 119,148.69 × 34,461.03
  4. Step 4: Simplify right side
    79,491.66x = 4,105,986,580.55
  5. Step 5: Solve for x
    x = 4,105,986,580.55/79,491.66
  6. Step 6: Final answer
    x = 51,653.05

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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.