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Finding the Fourth Proportional to 72,212.58, 108,336.60 and 24,828.39

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Solution

The fourth proportional to 72,212.58, 108,336.60 and 24,828.39 is: 37,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,212.58 : 108,336.60 = 24,828.39 : x
  2. Step 2: Convert to fraction form
    72,212.58/108,336.60 = 24,828.39/x
  3. Step 3: Cross multiply
    72,212.58x = 108,336.60 × 24,828.39
  4. Step 4: Simplify right side
    72,212.58x = 2,689,823,356.07
  5. Step 5: Solve for x
    x = 2,689,823,356.07/72,212.58
  6. Step 6: Final answer
    x = 37,248.68

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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.