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Finding the Fourth Proportional to 70,806.30, 97,695.03 and 45,625.50

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Solution

The fourth proportional to 70,806.30, 97,695.03 and 45,625.50 is: 62,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,806.30 : 97,695.03 = 45,625.50 : x
  2. Step 2: Convert to fraction form
    70,806.30/97,695.03 = 45,625.50/x
  3. Step 3: Cross multiply
    70,806.30x = 97,695.03 × 45,625.50
  4. Step 4: Simplify right side
    70,806.30x = 4,457,384,591.27
  5. Step 5: Solve for x
    x = 4,457,384,591.27/70,806.30
  6. Step 6: Final answer
    x = 62,951.81

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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.