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Finding the Fourth Proportional to 183,620.40, 275,365.80 and 65,295.60

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Solution

The fourth proportional to 183,620.40, 275,365.80 and 65,295.60 is: 97,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,620.40 : 275,365.80 = 65,295.60 : x
  2. Step 2: Convert to fraction form
    183,620.40/275,365.80 = 65,295.60/x
  3. Step 3: Cross multiply
    183,620.40x = 275,365.80 × 65,295.60
  4. Step 4: Simplify right side
    183,620.40x = 17,980,175,130.48
  5. Step 5: Solve for x
    x = 17,980,175,130.48/183,620.40
  6. Step 6: Final answer
    x = 97,920.36

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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.