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Finding the Fourth Proportional to 70,861.71, 97,800.27 and 41,793.28

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Solution

The fourth proportional to 70,861.71, 97,800.27 and 41,793.28 is: 57,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861.71 : 97,800.27 = 41,793.28 : x
  2. Step 2: Convert to fraction form
    70,861.71/97,800.27 = 41,793.28/x
  3. Step 3: Cross multiply
    70,861.71x = 97,800.27 × 41,793.28
  4. Step 4: Simplify right side
    70,861.71x = 4,087,394,068.19
  5. Step 5: Solve for x
    x = 4,087,394,068.19/70,861.71
  6. Step 6: Final answer
    x = 57,681.28

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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.