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Finding the Fourth Proportional to 117,682.68, 162,402.39 and 63,967.62

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Solution

The fourth proportional to 117,682.68, 162,402.39 and 63,967.62 is: 88,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.68 : 162,402.39 = 63,967.62 : x
  2. Step 2: Convert to fraction form
    117,682.68/162,402.39 = 63,967.62/x
  3. Step 3: Cross multiply
    117,682.68x = 162,402.39 × 63,967.62
  4. Step 4: Simplify right side
    117,682.68x = 10,388,494,370.61
  5. Step 5: Solve for x
    x = 10,388,494,370.61/117,682.68
  6. Step 6: Final answer
    x = 88,275.47

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1.5x scale

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.