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Finding the Fourth Proportional to 79,607.65, 109,846.03 and 45,609.59

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Solution

The fourth proportional to 79,607.65, 109,846.03 and 45,609.59 is: 62,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607.65 : 109,846.03 = 45,609.59 : x
  2. Step 2: Convert to fraction form
    79,607.65/109,846.03 = 45,609.59/x
  3. Step 3: Cross multiply
    79,607.65x = 109,846.03 × 45,609.59
  4. Step 4: Simplify right side
    79,607.65x = 5,010,031,899.21
  5. Step 5: Solve for x
    x = 5,010,031,899.21/79,607.65
  6. Step 6: Final answer
    x = 62,934.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.