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Finding the Fourth Proportional to 149,883.68, 224,759.64 and 79,746.32

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Solution

The fourth proportional to 149,883.68, 224,759.64 and 79,746.32 is: 119,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883.68 : 224,759.64 = 79,746.32 : x
  2. Step 2: Convert to fraction form
    149,883.68/224,759.64 = 79,746.32/x
  3. Step 3: Cross multiply
    149,883.68x = 224,759.64 × 79,746.32
  4. Step 4: Simplify right side
    149,883.68x = 17,923,754,174.52
  5. Step 5: Solve for x
    x = 17,923,754,174.52/149,883.68
  6. Step 6: Final answer
    x = 119,584.43

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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.