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Finding the Fourth Proportional to 169,995.85, 255,030.46 and 51,676.72

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Solution

The fourth proportional to 169,995.85, 255,030.46 and 51,676.72 is: 77,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,995.85 : 255,030.46 = 51,676.72 : x
  2. Step 2: Convert to fraction form
    169,995.85/255,030.46 = 51,676.72/x
  3. Step 3: Cross multiply
    169,995.85x = 255,030.46 × 51,676.72
  4. Step 4: Simplify right side
    169,995.85x = 13,179,136,906.12
  5. Step 5: Solve for x
    x = 13,179,136,906.12/169,995.85
  6. Step 6: Final answer
    x = 77,526.23

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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.