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Finding the Fourth Proportional to 79,174, 109,259.02 and 45,193.26

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Solution

The fourth proportional to 79,174, 109,259.02 and 45,193.26 is: 62,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174 : 109,259.02 = 45,193.26 : x
  2. Step 2: Convert to fraction form
    79,174/109,259.02 = 45,193.26/x
  3. Step 3: Cross multiply
    79,174x = 109,259.02 × 45,193.26
  4. Step 4: Simplify right side
    79,174x = 4,937,771,298.21
  5. Step 5: Solve for x
    x = 4,937,771,298.21/79,174
  6. Step 6: Final answer
    x = 62,366.07

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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.