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Finding the Fourth Proportional to 124,447.60, 186,654.60 and 49,622.80

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Solution

The fourth proportional to 124,447.60, 186,654.60 and 49,622.80 is: 74,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,447.60 : 186,654.60 = 49,622.80 : x
  2. Step 2: Convert to fraction form
    124,447.60/186,654.60 = 49,622.80/x
  3. Step 3: Cross multiply
    124,447.60x = 186,654.60 × 49,622.80
  4. Step 4: Simplify right side
    124,447.60x = 9,262,323,884.88
  5. Step 5: Solve for x
    x = 9,262,323,884.88/124,447.60
  6. Step 6: Final answer
    x = 74,427.50

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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.