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Finding the Fourth Proportional to 124,551.90, 186,791.40 and 44,580.60

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Solution

The fourth proportional to 124,551.90, 186,791.40 and 44,580.60 is: 66,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,551.90 : 186,791.40 = 44,580.60 : x
  2. Step 2: Convert to fraction form
    124,551.90/186,791.40 = 44,580.60/x
  3. Step 3: Cross multiply
    124,551.90x = 186,791.40 × 44,580.60
  4. Step 4: Simplify right side
    124,551.90x = 8,327,272,686.84
  5. Step 5: Solve for x
    x = 8,327,272,686.84/124,551.90
  6. Step 6: Final answer
    x = 66,857.85

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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.