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Finding the Fourth Proportional to 183,770.40, 275,590.80 and 65,445.60

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Solution

The fourth proportional to 183,770.40, 275,590.80 and 65,445.60 is: 98,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,770.40 : 275,590.80 = 65,445.60 : x
  2. Step 2: Convert to fraction form
    183,770.40/275,590.80 = 65,445.60/x
  3. Step 3: Cross multiply
    183,770.40x = 275,590.80 × 65,445.60
  4. Step 4: Simplify right side
    183,770.40x = 18,036,205,260.48
  5. Step 5: Solve for x
    x = 18,036,205,260.48/183,770.40
  6. Step 6: Final answer
    x = 98,145.32

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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.