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Finding the Fourth Proportional to 183,907.89, 275,968.46 and 77,283.45

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Solution

The fourth proportional to 183,907.89, 275,968.46 and 77,283.45 is: 115,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,907.89 : 275,968.46 = 77,283.45 : x
  2. Step 2: Convert to fraction form
    183,907.89/275,968.46 = 77,283.45/x
  3. Step 3: Cross multiply
    183,907.89x = 275,968.46 × 77,283.45
  4. Step 4: Simplify right side
    183,907.89x = 21,327,794,873.20
  5. Step 5: Solve for x
    x = 21,327,794,873.20/183,907.89
  6. Step 6: Final answer
    x = 115,969.98

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1.5x scale

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.