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Finding the Fourth Proportional to 124,548.60, 186,801.30 and 45,622.20

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Solution

The fourth proportional to 124,548.60, 186,801.30 and 45,622.20 is: 68,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.60 : 186,801.30 = 45,622.20 : x
  2. Step 2: Convert to fraction form
    124,548.60/186,801.30 = 45,622.20/x
  3. Step 3: Cross multiply
    124,548.60x = 186,801.30 × 45,622.20
  4. Step 4: Simplify right side
    124,548.60x = 8,522,286,268.86
  5. Step 5: Solve for x
    x = 8,522,286,268.86/124,548.60
  6. Step 6: Final answer
    x = 68,425.39

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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.