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Finding the Fourth Proportional to 169,272.78, 253,876.23 and 64,099.98

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Solution

The fourth proportional to 169,272.78, 253,876.23 and 64,099.98 is: 96,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,272.78 : 253,876.23 = 64,099.98 : x
  2. Step 2: Convert to fraction form
    169,272.78/253,876.23 = 64,099.98/x
  3. Step 3: Cross multiply
    169,272.78x = 253,876.23 × 64,099.98
  4. Step 4: Simplify right side
    169,272.78x = 16,273,461,265.48
  5. Step 5: Solve for x
    x = 16,273,461,265.48/169,272.78
  6. Step 6: Final answer
    x = 96,137.50

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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.