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Finding the Fourth Proportional to 122,589.25, 183,883.88 and 39,483.25

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Solution

The fourth proportional to 122,589.25, 183,883.88 and 39,483.25 is: 59,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589.25 : 183,883.88 = 39,483.25 : x
  2. Step 2: Convert to fraction form
    122,589.25/183,883.88 = 39,483.25/x
  3. Step 3: Cross multiply
    122,589.25x = 183,883.88 × 39,483.25
  4. Step 4: Simplify right side
    122,589.25x = 7,260,333,205.01
  5. Step 5: Solve for x
    x = 7,260,333,205.01/122,589.25
  6. Step 6: Final answer
    x = 59,224.88

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1.5x scale

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.