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Finding the Fourth Proportional to 114,657.28, 171,919.50 and 44,454.40

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Solution

The fourth proportional to 114,657.28, 171,919.50 and 44,454.40 is: 66,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,657.28 : 171,919.50 = 44,454.40 : x
  2. Step 2: Convert to fraction form
    114,657.28/171,919.50 = 44,454.40/x
  3. Step 3: Cross multiply
    114,657.28x = 171,919.50 × 44,454.40
  4. Step 4: Simplify right side
    114,657.28x = 7,642,578,220.80
  5. Step 5: Solve for x
    x = 7,642,578,220.80/114,657.28
  6. Step 6: Final answer
    x = 66,655.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.