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Finding the Fourth Proportional to 117,526.56, 162,208.56 and 67,225.44

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Solution

The fourth proportional to 117,526.56, 162,208.56 and 67,225.44 is: 92,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,526.56 : 162,208.56 = 67,225.44 : x
  2. Step 2: Convert to fraction form
    117,526.56/162,208.56 = 67,225.44/x
  3. Step 3: Cross multiply
    117,526.56x = 162,208.56 × 67,225.44
  4. Step 4: Simplify right side
    117,526.56x = 10,904,541,817.77
  5. Step 5: Solve for x
    x = 10,904,541,817.77/117,526.56
  6. Step 6: Final answer
    x = 92,783.64

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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.