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Finding the Fourth Proportional to 68,587.60, 102,754.04 and 35,327.84

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Solution

The fourth proportional to 68,587.60, 102,754.04 and 35,327.84 is: 52,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.60 : 102,754.04 = 35,327.84 : x
  2. Step 2: Convert to fraction form
    68,587.60/102,754.04 = 35,327.84/x
  3. Step 3: Cross multiply
    68,587.60x = 102,754.04 × 35,327.84
  4. Step 4: Simplify right side
    68,587.60x = 3,630,078,284.47
  5. Step 5: Solve for x
    x = 3,630,078,284.47/68,587.60
  6. Step 6: Final answer
    x = 52,926.16

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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.