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Finding the Fourth Proportional to 183,419.20, 275,128.80 and 58,772.80

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Solution

The fourth proportional to 183,419.20, 275,128.80 and 58,772.80 is: 88,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,419.20 : 275,128.80 = 58,772.80 : x
  2. Step 2: Convert to fraction form
    183,419.20/275,128.80 = 58,772.80/x
  3. Step 3: Cross multiply
    183,419.20x = 275,128.80 × 58,772.80
  4. Step 4: Simplify right side
    183,419.20x = 16,170,089,936.64
  5. Step 5: Solve for x
    x = 16,170,089,936.64/183,419.20
  6. Step 6: Final answer
    x = 88,159.20

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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.