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Finding the Fourth Proportional to 114,459.21, 157,949.33 and 63,474.03

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Solution

The fourth proportional to 114,459.21, 157,949.33 and 63,474.03 is: 87,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,459.21 : 157,949.33 = 63,474.03 : x
  2. Step 2: Convert to fraction form
    114,459.21/157,949.33 = 63,474.03/x
  3. Step 3: Cross multiply
    114,459.21x = 157,949.33 × 63,474.03
  4. Step 4: Simplify right side
    114,459.21x = 10,025,680,193.53
  5. Step 5: Solve for x
    x = 10,025,680,193.53/114,459.21
  6. Step 6: Final answer
    x = 87,591.73

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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.