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Finding the Fourth Proportional to 70,967.63, 97,949.52 and 40,773.67

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Solution

The fourth proportional to 70,967.63, 97,949.52 and 40,773.67 is: 56,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,967.63 : 97,949.52 = 40,773.67 : x
  2. Step 2: Convert to fraction form
    70,967.63/97,949.52 = 40,773.67/x
  3. Step 3: Cross multiply
    70,967.63x = 97,949.52 × 40,773.67
  4. Step 4: Simplify right side
    70,967.63x = 3,993,761,160.26
  5. Step 5: Solve for x
    x = 3,993,761,160.26/70,967.63
  6. Step 6: Final answer
    x = 56,275.81

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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.