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Finding the Fourth Proportional to 169,157.94, 253,638.51 and 63,985.11

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Solution

The fourth proportional to 169,157.94, 253,638.51 and 63,985.11 is: 95,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,157.94 : 253,638.51 = 63,985.11 : x
  2. Step 2: Convert to fraction form
    169,157.94/253,638.51 = 63,985.11/x
  3. Step 3: Cross multiply
    169,157.94x = 253,638.51 × 63,985.11
  4. Step 4: Simplify right side
    169,157.94x = 16,229,087,962.59
  5. Step 5: Solve for x
    x = 16,229,087,962.59/169,157.94
  6. Step 6: Final answer
    x = 95,940.44

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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.