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Finding the Fourth Proportional to 68,142.40, 93,996.65 and 44,284.96

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Solution

The fourth proportional to 68,142.40, 93,996.65 and 44,284.96 is: 61,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.40 : 93,996.65 = 44,284.96 : x
  2. Step 2: Convert to fraction form
    68,142.40/93,996.65 = 44,284.96/x
  3. Step 3: Cross multiply
    68,142.40x = 93,996.65 × 44,284.96
  4. Step 4: Simplify right side
    68,142.40x = 4,162,637,885.38
  5. Step 5: Solve for x
    x = 4,162,637,885.38/68,142.40
  6. Step 6: Final answer
    x = 61,087.34

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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.