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Finding the Fourth Proportional to 62,784.60, 94,226.31 and 55,403.88

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Solution

The fourth proportional to 62,784.60, 94,226.31 and 55,403.88 is: 83,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,784.60 : 94,226.31 = 55,403.88 : x
  2. Step 2: Convert to fraction form
    62,784.60/94,226.31 = 55,403.88/x
  3. Step 3: Cross multiply
    62,784.60x = 94,226.31 × 55,403.88
  4. Step 4: Simplify right side
    62,784.60x = 5,220,503,172.08
  5. Step 5: Solve for x
    x = 5,220,503,172.08/62,784.60
  6. Step 6: Final answer
    x = 83,149.42

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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.