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Finding the Fourth Proportional to 301,459.10, 451,495.49 and 168,043.91

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Solution

The fourth proportional to 301,459.10, 451,495.49 and 168,043.91 is: 251,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,459.10 : 451,495.49 = 168,043.91 : x
  2. Step 2: Convert to fraction form
    301,459.10/451,495.49 = 168,043.91/x
  3. Step 3: Cross multiply
    301,459.10x = 451,495.49 × 168,043.91
  4. Step 4: Simplify right side
    301,459.10x = 75,871,064,389.27
  5. Step 5: Solve for x
    x = 75,871,064,389.27/301,459.10
  6. Step 6: Final answer
    x = 251,679.47

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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.