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Finding the Fourth Proportional to 79,670.00, 109,951.03 and 45,681.65

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Solution

The fourth proportional to 79,670.00, 109,951.03 and 45,681.65 is: 63,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.00 : 109,951.03 = 45,681.65 : x
  2. Step 2: Convert to fraction form
    79,670.00/109,951.03 = 45,681.65/x
  3. Step 3: Cross multiply
    79,670.00x = 109,951.03 × 45,681.65
  4. Step 4: Simplify right side
    79,670.00x = 5,022,744,116.11
  5. Step 5: Solve for x
    x = 5,022,744,116.11/79,670.00
  6. Step 6: Final answer
    x = 63,044.36

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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.