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Finding the Fourth Proportional to 117,757.58, 162,503.88 and 64,041.44

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Solution

The fourth proportional to 117,757.58, 162,503.88 and 64,041.44 is: 88,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.58 : 162,503.88 = 64,041.44 : x
  2. Step 2: Convert to fraction form
    117,757.58/162,503.88 = 64,041.44/x
  3. Step 3: Cross multiply
    117,757.58x = 162,503.88 × 64,041.44
  4. Step 4: Simplify right side
    117,757.58x = 10,406,982,480.79
  5. Step 5: Solve for x
    x = 10,406,982,480.79/117,757.58
  6. Step 6: Final answer
    x = 88,376.33

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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.