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Finding the Fourth Proportional to 68,063.88, 102,094.38 and 36,484.68

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Solution

The fourth proportional to 68,063.88, 102,094.38 and 36,484.68 is: 54,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,063.88 : 102,094.38 = 36,484.68 : x
  2. Step 2: Convert to fraction form
    68,063.88/102,094.38 = 36,484.68/x
  3. Step 3: Cross multiply
    68,063.88x = 102,094.38 × 36,484.68
  4. Step 4: Simplify right side
    68,063.88x = 3,724,880,784.10
  5. Step 5: Solve for x
    x = 3,724,880,784.10/68,063.88
  6. Step 6: Final answer
    x = 54,726.25

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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.