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Finding the Fourth Proportional to 122,627.34, 183,939.14 and 33,878.88

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Solution

The fourth proportional to 122,627.34, 183,939.14 and 33,878.88 is: 50,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,627.34 : 183,939.14 = 33,878.88 : x
  2. Step 2: Convert to fraction form
    122,627.34/183,939.14 = 33,878.88/x
  3. Step 3: Cross multiply
    122,627.34x = 183,939.14 × 33,878.88
  4. Step 4: Simplify right side
    122,627.34x = 6,231,652,051.36
  5. Step 5: Solve for x
    x = 6,231,652,051.36/122,627.34
  6. Step 6: Final answer
    x = 50,817.80

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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.