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Finding the Fourth Proportional to 183,693.60, 275,281.20 and 89,992.80

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Solution

The fourth proportional to 183,693.60, 275,281.20 and 89,992.80 is: 134,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,693.60 : 275,281.20 = 89,992.80 : x
  2. Step 2: Convert to fraction form
    183,693.60/275,281.20 = 89,992.80/x
  3. Step 3: Cross multiply
    183,693.60x = 275,281.20 × 89,992.80
  4. Step 4: Simplify right side
    183,693.60x = 24,773,325,975.36
  5. Step 5: Solve for x
    x = 24,773,325,975.36/183,693.60
  6. Step 6: Final answer
    x = 134,862.22

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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.