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Finding the Fourth Proportional to 122,672.56, 183,877.60 and 63,448.60

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Solution

The fourth proportional to 122,672.56, 183,877.60 and 63,448.60 is: 95,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,672.56 : 183,877.60 = 63,448.60 : x
  2. Step 2: Convert to fraction form
    122,672.56/183,877.60 = 63,448.60/x
  3. Step 3: Cross multiply
    122,672.56x = 183,877.60 × 63,448.60
  4. Step 4: Simplify right side
    122,672.56x = 11,666,776,291.36
  5. Step 5: Solve for x
    x = 11,666,776,291.36/122,672.56
  6. Step 6: Final answer
    x = 95,105.02

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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.